Table:
text: List of districts of West Bengal
Demographics
Demographics
Rank_ District Population Growth_Rate Sex_Ratio Literacy Density_KM
84 Birbhum 3502387 16.15 956 70.90 771
124 North Dinajpur 3000849 22.90 936 60.13 956
129 Puruliya 2927965 15.43 955 65.38 468
136 KochBihar 2822780 13.86 942 75.49 833
257 Darjiling 1842034 14.47 971 79.92 585

Question: From the list of districts of West Bengal, give the total number of ranks for the growth rate for 14.47 ?