Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Town/Village | Population | Postal Code | Municipality | Island | Location |
| --- | --- | --- | --- | --- | --- |
| Akrar | 28 | FO 927 | Sumbiar | Suðuroy | 61°27′20″N 6°45′33″W﻿ / ﻿61.45556°N 6.75917°W |
| Argir | 1907 | FO 160 | Tórshavnar | Streymoy | 61°59′53″N 6°46′23″W﻿ / ﻿61.99806°N 6.77306°W |
| Ánir | 13 | FO 726 | Klaksvíkar | Borðoy | 62°15′23″N 6°34′40″W﻿ / ﻿62.25639°N 6.57778°W |
| Árnafjørður | 49 | FO 727 | Klaksvíkar | Borðoy | 62°15′21″N 6°32′3″W﻿ / ﻿62.25583°N 6.53417°W |
| Bøur | 70 | FO 386 | Sørvágs | Vágar | 62°5′27″N 7°22′3″W﻿ / ﻿62.09083°N 7.36750°W |
| Dalur | 48 | FO 235 | Húsavíkar | Sandoy | 61°46′56″N 6°40′32″W﻿ / ﻿61.78222°N 6.67556°W |
| Depil | 2 | FO 735 | Hvannasunds | Borðoy | 62°17′10″N 6°31′39″W﻿ / ﻿62.28611°N 6.52750°W |
| Eiði | 651 | FO 470 | Eiðis | Eysturoy | 62°18′1″N 7°5′20″W﻿ / ﻿62.30028°N 7.08889°W |
| Elduvík | 27 | FO 478 | Runavíkar | Eysturoy | 62°16′57″N 6°54′35″W﻿ / ﻿62.28250°N 6.90972°W |
| Fámjin | 113 | FO 870 | Fámjins | Suðuroy | 61°31′35″N 6°52′37″W﻿ / ﻿61.52639°N 6.87694°W |
| Froðba | 137 | FO 825 | Tvøroyrar | Suðuroy | 61°32′53″N 6°46′20″W﻿ / ﻿61.54806°N 6.77222°W |
| Fuglafjørður | 1542 | FO 530 | Fuglafjarðar | Eysturoy | 62°14′40″N 6°48′52″W﻿ / ﻿62.24444°N 6.81444°W |
| Funningsfjørður | 65 | FO 477 | Runavíkar | Eysturoy | 62°14′17″N 6°55′44″W﻿ / ﻿62.23806°N 6.92889°W |
| Funningur | 83 | FO 475 | Funnings | Eysturoy | 62°17′17″N 6°58′2″W﻿ / ﻿62.28806°N 6.96722°W |
| Gásadalur | 14 | FO 387 | Sørvágs | Vágar | 62°6′44″N 7°26′5″W﻿ / ﻿62.11222°N 7.43472°W |
| Gjógv | 52 | FO 476 | Sunda | Eysturoy | 62°19′30″N 6°56′28″W﻿ / ﻿62.32500°N 6.94111°W |
| Glyvrar | 421 | FO 625 | Runavíkar | Eysturoy | 62°7′53″N 6°43′27″W﻿ / ﻿62.13139°N 6.72417°W |
| Gøtueiði | 39 | FO 666 | Gøtu | Eysturoy | 62°10′30″N 6°46′19″W﻿ / ﻿62.17500°N 6.77194°W |
| Gøtugjógv | 53 | FO 511 | Gøtu | Eysturoy | 62°11′25″N 6°44′47″W﻿ / ﻿62.19028°N 6.74639°W |
| Haldarsvík | 164 | FO 440 | Sunda | Streymoy | 62°16′37″N 7°5′25″W﻿ / ﻿62.27694°N 7.09028°W |
| Haraldssund | 74 | FO 785 | Kunoyar | Kunoy | 62°16′20″N 6°36′7″W﻿ / ﻿62.27222°N 6.60194°W |
| Hattarvík | 17 | FO 767 | Fugloyar | Fugloy | 62°19′51″N 6°16′25″W﻿ / ﻿62.33083°N 6.27361°W |
| Hellur | 26 | FO 695 | Fuglafjarðar | Eysturoy | 62°15′49″N 6°50′40″W﻿ / ﻿62.26361°N 6.84444°W |
| Hestur | 39 | FO 280 | Tórshavnar | Hestur | 61°57′27″N 6°53′13″W﻿ / ﻿61.95750°N 6.88694°W |
| Hov | 128 | FO 960 | Hovs | Suðuroy | 61°30′30″N 6°45′29″W﻿ / ﻿61.50833°N 6.75806°W |
| Hoyvík | 2951 | FO 188 | Tórshavnar | Streymoy | 62°1′32″N 6°45′32″W﻿ / ﻿62.02556°N 6.75889°W |
| Hósvík | 299 | FO 420 | Sunda | Streymoy | 62°9′17″N 6°56′25″W﻿ / ﻿62.15472°N 6.94028°W |
| Húsar | 54 | FO 796 | Húsar | Kalsoy | 62°15′54″N 6°40′53″W﻿ / ﻿62.26500°N 6.68139°W |
| Húsavík | 85 | FO 230 | Húsavíkar | Sandoy | 61°48′38″N 6°40′35″W﻿ / ﻿61.81056°N 6.67639°W |
| Hvalba | 663 | FO 850 | Hvalbiar | Suðuroy | 61°36′7″N 6°56′58″W﻿ / ﻿61.60194°N 6.94944°W |
| Hvalvík | 218 | FO 430 | Sunda | Streymoy | 62°11′23″N 7°1′51″W﻿ / ﻿62.18972°N 7.03083°W |
| Hvannasund | 268 | FO 740 | Hvannasunds | Viðoy | 62°17′43″N 6°30′58″W﻿ / ﻿62.29528°N 6.51611°W |
| Hvítanes | 97 | FO 187 | Tórshavnar | Streymoy | 62°2′48″N 6°46′10″W﻿ / ﻿62.04667°N 6.76944°W |
| Innan Glyvur | 81 | FO 494 | Sjóvar | Eysturoy | 62°8′21″N 6°45′24″W﻿ / ﻿62.13917°N 6.75667°W |
| Kaldbak | 218 | FO 180 | Tórshavnar | Streymoy | 62°3′47″N 6°49′34″W﻿ / ﻿62.06306°N 6.82611°W |
| Kaldbaksbotnur | 6 | FO 185 | Tórshavnar | Streymoy | 62°3′58″N 6°54′45″W﻿ / ﻿62.06611°N 6.91250°W |
| Kirkja | 28 | FO 766 | Fugloyar | Fugloy | 62°19′10″N 6°18′51″W﻿ / ﻿62.31944°N 6.31417°W |
| Kirkjubøur | 77 | FO 175 | Tórshavnar | Streymoy | 61°57′22″N 6°47′37″W﻿ / ﻿61.95611°N 6.79361°W |
| Klaksvík | 4681 | FO 700 | Klaksvíkar | Borðoy | 62°13′26″N 6°34′43″W﻿ / ﻿62.22389°N 6.57861°W |
| Kolbanargjógv | 33 | FO 495 | Sjóvar | Eysturoy | 62°6′30″N 6°47′6″W﻿ / ﻿62.10833°N 6.78500°W |
| Kollafjørður | 822 | FO 410 | Tórshavnar | Streymoy | 62°7′6″N 6°54′20″W﻿ / ﻿62.11833°N 6.90556°W |
| Koltur | 2 | FO 285 | Tórshavnar | Koltur | 61°59′13″N 6°57′53″W﻿ / ﻿61.98694°N 6.96472°W |
| Kunoyar bygd | 73 | FO 780 | Kunoyar | Kunoy | 62°17′37″N 6°40′2″W﻿ / ﻿62.29361°N 6.66722°W |
| Kvívík | 376 | FO 340 | Kvívíkar | Streymoy | 62°7′14″N 7°4′4″W﻿ / ﻿62.12056°N 7.06778°W |
| Lambareiði | 7 | FO 626 | Runavíkar | Eysturoy | 62°8′31″N 6°43′44″W﻿ / ﻿62.14194°N 6.72889°W |
| Lambi | 142 | FO 627 | Runavíkar | Eysturoy | 62°8′33″N 6°42′8″W﻿ / ﻿62.14250°N 6.70222°W |
| Langasandur | 35 | FO 438 | Sunda | Streymoy | 62°14′14″N 7°3′13″W﻿ / ﻿62.23722°N 7.05361°W |
| Leirvík | 853 | FO 520 | Leirvíkar | Eysturoy | 62°12′40″N 6°42′22″W﻿ / ﻿62.21111°N 6.70611°W |
| Leynar | 120 | FO 335 | Kvívíkar | Streymoy | 62°6′58″N 7°2′22″W﻿ / ﻿62.11611°N 7.03944°W |
| Ljósá | 35 | FO 466 | Eiðis | Eysturoy | 62°16′6″N 7°3′1″W﻿ / ﻿62.26833°N 7.05028°W |
| Lopra | 95 | FO 926 | Sumbiar | Suðuroy | 61°26′40″N 6°46′8″W﻿ / ﻿61.44444°N 6.76889°W |
| Miðvágur | 1032 | FO 370 | Miðvágs | Vágar | 62°3′4″N 7°11′38″W﻿ / ﻿62.05111°N 7.19389°W |
| Mikladalur | 44 | FO 797 | Klaksvíkar | Kalsoy | 62°20′9″N 6°45′50″W﻿ / ﻿62.33583°N 6.76389°W |
| Mjørkadalur | 1 |  | Tórshavnar | Streymoy | 62°3′0″N 6°58′0″W﻿ / ﻿62.05000°N 6.96667°W |
| Morskranes | 45 | FO 496 | Sjóvar | Eysturoy | 62°7′59″N 6°50′31″W﻿ / ﻿62.13306°N 6.84194°W |
| Múli | 4 | FO 737 | Hvannasunds | Borðoy | 62°21′10″N 6°34′47″W﻿ / ﻿62.35278°N 6.57972°W |
| Mykines | 22 | FO 388 | Sørvágs | Mykines | 62°6′15″N 7°38′46″W﻿ / ﻿62.10417°N 7.64611°W |
| Nes, Eysturoy | 230 | FO 655 | Nes | Eysturoy | 62°4′47″N 6°43′28″W﻿ / ﻿62.07972°N 6.72444°W |
| Nes, Vágur | 30 | FO 925 | Vágs | Suðuroy | 61°28′20″N 6°45′33″W﻿ / ﻿61.47222°N 6.75917°W |
| Nesvík | 1 | FO 437 | Sunda | Streymoy | 62°12′35″N 7°0′30″W﻿ / ﻿62.20972°N 7.00833°W |
| Nólsoy | 256 | FO 270 | Tórshavnar | Nólsoy | 62°0′33″N 6°40′7″W﻿ / ﻿62.00917°N 6.66861°W |
| Norðdepil | 164 | FO 730 | Hvannasunds | Borðoy | 62°17′51″N 6°31′32″W﻿ / ﻿62.29750°N 6.52556°W |
| Norðoyri | 83 | FO 725 | Klaksvíkar | Borðoy | 62°12′50″N 6°32′27″W﻿ / ﻿62.21389°N 6.54083°W |
| Norðradalur | 17 | FO 178 | Tórshavnar | Streymoy | 62°2′25″N 6°55′22″W﻿ / ﻿62.04028°N 6.92278°W |
| Norðragøta | 575 | FO 512 | Gøtu | Eysturoy | 62°12′3″N 6°44′27″W﻿ / ﻿62.20083°N 6.74083°W |
| Norðskáli | 249 | FO 460 | Sunda | Eysturoy | 62°12′47″N 6°59′59″W﻿ / ﻿62.21306°N 6.99972°W |
| Norðtoftir | 6 | FO 736 | Hvannasunds | Borðoy | 62°16′38″N 6°30′49″W﻿ / ﻿62.27722°N 6.51361°W |
| Oyndarfjørður | 180 | FO 690 | Runavíkar | Eysturoy | 62°16′40″N 6°51′4″W﻿ / ﻿62.27778°N 6.85111°W |
| Oyrarbakki | 97 | FO 400 | Sunda | Eysturoy | 62°12′5″N 6°59′40″W﻿ / ﻿62.20139°N 6.99444°W |
| Oyrareingir | 44 | FO 415 | Tórshavnar | Streymoy | 62°6′19″N 6°57′41″W﻿ / ﻿62.10528°N 6.96139°W |
| Oyri | 142 | FO 450 | Sunda | Eysturoy | 62°11′26″N 6°58′24″W﻿ / ﻿62.19056°N 6.97333°W |
| Porkeri | 357 | FO 950 | Porkeris | Suðuroy | 61°28′59″N 6°44′36″W﻿ / ﻿61.48306°N 6.74333°W |
| Rituvík | 271 | FO 640 | Runavíkar | Eysturoy | 62°6′25″N 6°40′58″W﻿ / ﻿62.10694°N 6.68278°W |
| Runavík | 476 | FO 620 | Runavíkar | Eysturoy | 62°6′34″N 6°43′9″W﻿ / ﻿62.10944°N 6.71917°W |
| Saksun | 33 | FO 436 | Sunda | Streymoy | 62°14′56″N 7°10′33″W﻿ / ﻿62.24889°N 7.17583°W |
| Saltangará | 830 | FO 600 | Runavíkar | Eysturoy | 62°7′3″N 6°43′7″W﻿ / ﻿62.11750°N 6.71861°W |
| Saltnes | 153 | FO 656 | Nes | Eysturoy | 62°6′19″N 6°44′22″W﻿ / ﻿62.10528°N 6.73944°W |
| Sandavágur | 744 | FO 360 | Sandavágs | Vágar | 62°3′24″N 7°9′15″W﻿ / ﻿62.05667°N 7.15417°W |
| Sandur | 596 | FO 210 | Sands | Sandoy | 61°50′10″N 6°48′38″W﻿ / ﻿61.83611°N 6.81056°W |
| Sandvík | 113 | FO 860 | Hvalbiar | Suðuroy | 61°38′16″N 6°55′19″W﻿ / ﻿61.63778°N 6.92194°W |
| Selatrað | 63 | FO 497 | Sjóvar | Eysturoy | 62°9′31″N 6°52′41″W﻿ / ﻿62.15861°N 6.87806°W |
| Signabøur | 157 | FO 416 | Tórshavnar | Streymoy | 62°5′48″N 6°55′43″W﻿ / ﻿62.09667°N 6.92861°W |
| Skarvanes | 5 | FO 236 | Húsavíkar | Sandoy | 61°47′35″N 6°44′13″W﻿ / ﻿61.79306°N 6.73694°W |
| Skálabotnur | 100 | FO 485 | Runavíkar | Eysturoy | 62°11′52″N 6°50′59″W﻿ / ﻿62.19778°N 6.84972°W |
| Skálavík | 99 | FO 220 | Skálavíkar | Sandoy | 61°50′1″N 6°39′33″W﻿ / ﻿61.83361°N 6.65917°W |
| Skáli | 182 | FO 480 | Runavíkar | Eysturoy | 62°9′44″N 6°46′57″W﻿ / ﻿62.16222°N 6.78250°W |
| Skarð | 0 | FO 780 | Kunoyar | Kunoy | 62°19′27″N 6°39′9″W﻿ / ﻿62.32417°N 6.65250°W |
| Skipanes | 59 | FO 665 | Runavíkar | Eysturoy | 62°10′6″N 6°45′40″W﻿ / ﻿62.16833°N 6.76111°W |
| Skopun | 484 | FO 240 | Skopunar | Sandoy | 61°54′11″N 6°52′29″W﻿ / ﻿61.90306°N 6.87472°W |
| Skúvoy | 55 | FO 260 | Skývoyar | Skúvoy | 61°46′27″N 6°48′17″W﻿ / ﻿61.77417°N 6.80472°W |
| Skælingur | 11 | FO 336 | Kvívíkar | Streymoy | 62°5′45″N 7°0′24″W﻿ / ﻿62.09583°N 7.00667°W |
| Stóra Dímun | 10 | FO 286 | Skúvoyar | Stóra Dímun | 61°41′50″N 6°45′5″W﻿ / ﻿61.69722°N 6.75139°W |
| Strendur | 817 | FO 490 | Sjóvar | Eysturoy | 62°6′46″N 6°45′23″W﻿ / ﻿62.11278°N 6.75639°W |
| Streymnes | 201 | FO 435 | Sunda | Streymoy | 62°11′35″N 7°1′54″W﻿ / ﻿62.19306°N 7.03167°W |
| Strond | 0 | FO 726 | Klaksvíkar | Borðoy | 62°15′54″N 6°35′07″W﻿ / ﻿62.26500°N 6.58528°W |
| Stykkið | 42 | FO 330 | Kvívíkar | Streymoy | 62°7′0″N 7°2′52″W﻿ / ﻿62.11667°N 7.04778°W |
| Sumba | 264 | FO 970 | Sumbiar | Suðuroy | 61°24′21″N 6°42′19″W﻿ / ﻿61.40583°N 6.70528°W |
| Sund | 3 | FO 186 | Tórshavnar | Streymoy | 62°2′59″N 6°50′46″W﻿ / ﻿62.04972°N 6.84611°W |
| Svínáir | 23 | FO 465 | Eiðis | Eysturoy | 62°13′46″N 7°1′25″W﻿ / ﻿62.22944°N 7.02361°W |
| Svínoy | 54 | FO 765 | Svínoyar | Svínoy | 62°16′47″N 6°20′55″W﻿ / ﻿62.27972°N 6.34861°W |
| Syðradalur, Kalsoy | 5 | FO 795 | Húsa | Kalsoy | 62°14′46″N 6°39′48″W﻿ / ﻿62.24611°N 6.66333°W |
| Syðradalur, Streymoy | 7 | FO 177 | Tórshavn | Streymoy | 62°1′27″N 6°54′36″W﻿ / ﻿62.02417°N 6.91000°W |
| Syðrugøta | 410 | FO 513 | Gøtu | Eysturoy | 62°11′12″N 6°45′12″W﻿ / ﻿62.18667°N 6.75333°W |
| Søldarfjørður | 348 | FO 660 | Runavíkar | Eysturoy | 62°9′35″N 6°45′4″W﻿ / ﻿62.15972°N 6.75111°W |
| Sørvágur | 974 | FO 380 | Sørvágs | Vágar | 62°4′28″N 7°18′34″W﻿ / ﻿62.07444°N 7.30944°W |
| Tjørnuvík | 70 | FO 445 | Sunda | Streymoy | 62°17′17″N 7°8′27″W﻿ / ﻿62.28806°N 7.14083°W |
| Toftir | 832 | FO 650 | Nes | Eysturoy | 62°5′20″N 6°44′8″W﻿ / ﻿62.08889°N 6.73556°W |
| Tórshavn | 12582 | FO 100 | Tórshavnar | Streymoy | 62°0′42″N 6°46′3″W﻿ / ﻿62.01167°N 6.76750°W |
| Trongisvágur | 410 | FO 826 | Tvøroyrar | Suðuroy | 61°33′50″N 6°50′40″W﻿ / ﻿61.56389°N 6.84444°W |
| Trøllanes | 23 | FO 798 | Klaksvíkar | Kalsoy | 62°21′43″N 6°47′18″W﻿ / ﻿62.36194°N 6.78833°W |
| Tvøroyri | 1170 | FO 800 | Tvøroyrar | Suðuroy | 61°33′21″N 6°48′12″W﻿ / ﻿61.55583°N 6.80333°W |
| Undir Gøtueiði | 36 | FO 666 | Gøtu | Eysturoy | 62°10′30″N 6°46′19″W﻿ / ﻿62.17500°N 6.77194°W |
| Vatnsoyrar | 56 | FO 385 | Miðvágs | Vágar | 62°4′27″N 7°14′53″W﻿ / ﻿62.07417°N 7.24806°W |
| Vágur | 1402 | FO 900 | Vágs | Suðuroy | 61°28′31″N 6°48′26″W﻿ / ﻿61.47528°N 6.80722°W |
| Válur | 55 | FO 3585 | Kvívíkar | Streymoy | 62°09′22″N 7°09′59″W﻿ / ﻿62.15611°N 7.16639°W |
| Velbastaður | 164 | FO 176 | Tórshavnar | Streymoy | 61°59′5″N 6°51′2″W﻿ / ﻿61.98472°N 6.85056°W |
| Vestmanna | 1251 | FO 350 | Vestmanna | Streymoy | 62°9′23″N 7°9′59″W﻿ / ﻿62.15639°N 7.16639°W |
| við Áir | 0 | FO 430 | Hvalvík | Streymoy | 62°10′26″N 6°58′29″W﻿ / ﻿62.17389°N 6.97472°W |
| Viðareiði | 342 | FO 750 | Viðareiðis | Viðoy | 62°21′35″N 6°31′58″W﻿ / ﻿62.35972°N 6.53278°W |
| Víkarbyrgi | 0 | FO 928 | Sumbiar | Suðuroy | 61°26′34″N 6°43′28″W﻿ / ﻿61.44278°N 6.72444°W |
| Æðuvík | 106 | FO 645 | Runavíkar | Eysturoy | 62°4′11″N 6°41′24″W﻿ / ﻿62.06972°N 6.69000°W |
| Øravík | 38 | FO 827 | Tvøroyrar | Suðuroy | 61°32′10″N 6°48′31″W﻿ / ﻿61.53611°N 6.80861°W |
| Øravíkarlíð | 67 | FO 826/7 | Tvøroyrar | Suðuroy | 61°33′N 6°50′W﻿ / ﻿61.550°N 6.833°W |
Question:
what is the population size difference between akrar and dalur?
Answer:
20