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:
| Rank | Bib | Athlete | Country | Time | Deficit |
| --- | --- | --- | --- | --- | --- |
|  | 1 | Dario Cologna | Switzerland | 1:13:09.3 |  |
|  | 14 | Martin Johnsrud Sundby | Norway | 1:13:11.1 | +1.8 |
|  | 5 | Sjur Røthe | Norway | 1:13:11.3 | +2.0 |
| 4 | 4 | Petter Northug | Norway | 1:13:14.5 | +5.2 |
| 5 | 6 | Maxim Vylegzhanin | Russia | 1:13:15.4 | +6.1 |
| 6 | 2 | Alexander Legkov | Russia | 1:13:19.4 | +10.1 |
| 7 | 20 | Calle Halfvarsson | Sweden | 1:13:20.9 | +11.6 |
| 8 | 7 | Marcus Hellner | Sweden | 1:13:21.3 | +12.0 |
| 9 | 8 | Tobias Angerer | Germany | 1:13:21.7 | +12.4 |
| 10 | 22 | Jean-Marc Gaillard | France | 1:13:22.0 | +12.7 |
| 11 | 9 | Evgeniy Belov | Russia | 1:13:22.3 | +13.0 |
| 12 | 41 | Tord Asle Gjerdalen | Norway | 1:13:22.7 | +13.4 |
| 13 | 17 | Alex Harvey | Canada | 1:13:25.4 | +16.1 |
| 14 | 18 | Curdin Perl | Switzerland | 1:13:25.9 | +16.6 |
| 15 | 23 | Johannes Dürr | Austria | 1:13:26.0 | +16.7 |
| 16 | 13 | Giorgio di Centa | Italy | 1:13:27.1 | +17.8 |
| 17 | 19 | Matti Heikkinen | Finland | 1:13:30.0 | +20.7 |
| 18 | 26 | Daniel Richardsson | Sweden | 1:13:31.1 | +21.8 |
| 19 | 29 | Anders Södergren | Sweden | 1:13:31.5 | +22.2 |
| 20 | 11 | Roland Clara | Italy | 1:13:32.2 | +22.9 |
| 21 | 10 | Maurice Manificat | France | 1:13:35.2 | +25.9 |
| 22 | 37 | Keishin Yoshida | Japan | 1:13:36.1 | +26.8 |
| 23 | 12 | Lukáš Bauer | Czech Republic | 1:13:36.9 | +27.6 |
| 24 | 21 | Hannes Dotzler | Germany | 1:13:42.5 | +33.2 |
| 25 | 3 | Ilia Chernousov | Russia | 1:13:42.5 | +33.2 |
| 26 | 46 | Michail Semenov | Belarus | 1:13:43.6 | +34.3 |
| 27 | 43 | Lari Lehtonen | Finland | 1:13:54.9 | +45.6 |
| 28 | 31 | Martin Jakš | Czech Republic | 1:13:55.6 | +46.3 |
| 29 | 32 | Dietmar Noeckler | Italy | 1:13:57.2 | +47.9 |
| 30 | 42 | Aivar Rehemaa | Estonia | 1:13:59.7 | +50.4 |
| 31 | 44 | Jiří Magál | Czech Republic | 1:14:00.8 | +51.5 |
| 32 | 16 | Ivan Babikov | Canada | 1:14:03.0 | +53.7 |
| 33 | 24 | Eldar Rønning | Norway | 1:14:20.3 | +1:11.0 |
| 34 | 15 | Jens Filbrich | Germany | 1:14:28.6 | +1:19.3 |
| 35 | 53 | Yevgeniy Velichko | Kazakhstan | 1:14:35.7 | +1:26.4 |
| 36 | 30 | Valerio Checchi | Italy | 1:14:57.6 | +1:48.3 |
| 37 | 38 | Mathias Wibault | France | 1:15:02.1 | +1:52.8 |
| 38 | 33 | Martin Bajčičák | Slovakia | 1:15:25.7 | +2:16.4 |
| 39 | 51 | Andrew Musgrave | Great Britain | 1:15:33.4 | +2:24.1 |
| 40 | 47 | Tero Similä | Finland | 1:15:35.1 | +2:25.8 |
| 41 | 28 | Kris Freeman | United States | 1:15:44.3 | +2:35.0 |
| 42 | 50 | Paul Constantin Pepene | Romania | 1:15:45.2 | +2:35.9 |
| 43 | 27 | Noah Hoffman | United States | 1:15:58.5 | +2:49.2 |
| 44 | 45 | Mark Starostin | Kazakhstan | 1:16:21.8 | +3:12.5 |
| 45 | 52 | Akira Lenting | Japan | 1:16:24.1 | +3:14.8 |
| 46 | 57 | Eeri Vahtra | Estonia | 1:16:40.7 | +3:31.4 |
| 47 | 36 | Andy Kühne | Germany | 1:17:02.2 | +3:52.9 |
| 48 | 63 | Yerdos Akhmadiyev | Kazakhstan | 1:17:02.6 | +3:53.3 |
| 49 | 56 | Veselin Tsinzov | Bulgaria | 1:17:04.8 | +3:55.5 |
| 50 | 64 | Gennadiy Matviyenko | Kazakhstan | 1:17:18.2 | +4:08.9 |
| 50 | 58 | Vitaliy Shtun | Ukraine | 1:17:18.2 | +4:08.9 |
| 52 | 34 | Graham Nishikawa | Canada | 1:17:18.9 | +4:09.6 |
| 53 | 48 | Tad Elliott | United States | 1:17:36.6 | +4:27.3 |
| 54 | 39 | Sami Jauhojärvi | Finland | 1:17:54.7 | +4:45.4 |
| 55 | 55 | Myroslav Bilosyuk | Ukraine | 1:18:16.1 | +5:06.8 |
| 56 | 66 | Andrew Young | Great Britain | 1:18:19.5 | +5:10.2 |
| 57 | 65 | Philipp Hälg | Liechtenstein | 1:18:19.6 | +5:10.3 |
| 58 | 40 | Karel Tammjärv | Estonia | 1:18:26.7 | +5:17.4 |
| 59 | 62 | Sergey Mikayelyan | Armenia | 1:19:04.3 | +5:55.0 |
| 60 | 60 | Nils Koons | New Zealand | 1:19:17.5 | +6:08.2 |
| 61 | 54 | Alexander Lasutkin | Belarus | 1:19:18.4 | +6:09.1 |
| 62 | 61 | Javier Gutiérrez | Spain | 1:19:48.7 | +6:39.4 |
| 63 | 68 | Yury Astapenka | Belarus | 1:20:17.3 | +7:08.0 |
| 64 | 67 | Oleksiy Shvidkiy | Ukraine | 1:20:20.2 | +7:10.9 |
| 65 | 73 | Xu Wenlong | China | 1:20:20.9 | +7:11.6 |
| 66 | 59 | Ondřej Horyna | Czech Republic | 1:20:23.9 | +7:14.6 |
| 67 | 69 | Imanol Rojo | Spain | 1:20:25.5 | +7:16.2 |
| 68 | 75 | Callum Watson | Australia | 1:20:31.6 | +7:22.3 |
| 69 | 78 | Andrew Pohl | New Zealand | 1:20:48.2 | +7:38.9 |
| 70 | 84 | Callum Smith | Great Britain | 1:22:01.3 | +8:52.0 |
| 71 | 74 | Vytautas Strolia | Lithuania | 1:22:22.2 | +9:12.9 |
| 72 | 85 | Artur Yeghoyan | Armenia | 1:22:22.9 | +9:13.6 |
| 73 | 71 | Edi Dadić | Croatia | 1:23:20.7 | +10:11.4 |
|  | 70 | Petrică Hogiu | Romania | LAP |  |
|  | 77 | Andrej Burić | Croatia | LAP |  |
|  | 79 | Viorel Andrei Palici | Romania | LAP |  |
|  | 80 | Zhou Hu | China | LAP |  |
|  | 81 | Tadevos Poghosyan | Armenia | LAP |  |
|  | 82 | Brynjar Leo Kristinsson | Iceland | LAP |  |
|  | 83 | Lukas Jakeliunas | Lithuania | LAP |  |
|  | 86 | Federico Pablo Cichero | Argentina | LAP |  |
|  | 88 | Paul Kovacs | Australia | LAP |  |
|  | 89 | Mark van der Ploeg | Australia | LAP |  |
|  | 90 | César Baena | Venezuela | LAP |  |
|  | 91 | Viossi-Akpedje Madja | Togo | LAP |  |
|  | 93 | Boldyn Byambadorj | Mongolia | LAP |  |
|  | 94 | Dachhiri Sherpa | Nepal | LAP |  |
|  | 35 | Sergei Dolidovich | Belarus | DNF |  |
|  | 72 | Oleksii Krasovskyi | Ukraine | DNF |  |
|  | 76 | Roberts Slotiņš | Latvia | DNF |  |
|  | 92 | Bayaraagiin Gerelt-Od | Mongolia | DNF |  |
|  | 25 | Devon Kershaw | Canada | DNS |  |
|  | 49 | Erik Bjornsen | United States | DNS |  |
|  | 87 | Alexander Standen | Great Britain | DNS |  |
Question:
how many athletes are not ranked?
Answer:
21