Table:
text: List of cities in Italy
Cities
Cities
_ City _1981_Census _1991_Census _2001_Census _2010_Est_ Region
87 Imola 60661 62567 64348 69116 Emilia-Romagna
88 Carpi 60614 60715 61476 69021 Emilia-Romagna
89 Potenza 64358 65714 69060 68297 Basilicata
90 Carrara 68702 67197 65034 65573 Tuscany
91 Castellammare di Stabia 70685 68733 66929 64506 Campania
92 Viareggio 58263 57514 61103 64503 Tuscany
93 Fano 52116 53909 57529 64100 Marche
94 Afragola 57367 60065 62319 63981 Campania
95 Vigevano 65179 60384 57450 63700 Lombardy
96 Viterbo 57632 58380 59308 63597 Lazio
97 Vittoria 51240 55280 55317 63332 Sicily
98 Savona 75353 67177 59907 62553 Liguria
99 Benevento 62636 62561 61791 62035 Campania
100 Crotone 58262 59001 60010 61798 Calabria
101 Pomezia 29925 37512 43960 61106 Lazio

Question: What is the 1991 census of the city of Carpi in the list of cities in Italy?