<Tr> <Td> </Td> <Td> 172 </Td> <Td> 170 </Td> <Td> 170 </Td> <Td> 170 </Td> <Td> 172 </Td> <Td> 174 </Td> <Td> 178 </Td> <Td> 178 </Td> <Td> 179 </Td> <Td> 181 </Td> <Td> 182 </Td> <Td> 185 </Td> <Td> 175.9 </Td> </Tr> <Tr> <Td> 2011 </Td> <Td> 188 </Td> <Td> 185 </Td> <Td> 185 </Td> <Td> 186 </Td> <Td> 187 </Td> <Td> 189 </Td> <Td> 193 </Td> <Td> 194 </Td> <Td> 197 </Td> <Td> 198 </Td> <Td> 199 </Td> <Td> 197 </Td> <Td> 191.5 </Td> </Tr> <Tr> <Td> 2012 </Td> <Td> 198 </Td> <Td> 199 </Td> <Td> 201 </Td> <Td> 205 </Td> <Td> 206 </Td> <Td> 208 </Td> <Td> 212 </Td> <Td> 214 </Td> <Td> 215 </Td> <Td> 217 </Td> <Td> 218 </Td> <Td> 219 </Td> <Td> 209.33 </Td> </Tr> <Tr> <Td> 2013 </Td> <Td> 221 </Td> <Td> 223 </Td> <Td> 224 </Td> <Td> 226 </Td> <Td> 228 </Td> <Td> 231 </Td> <Td> 235 </Td> <Td> 237 </Td> <Td> 238 </Td> <Td> 241 </Td> <Td> 243 </Td> <Td> 239 </Td> <Td> 232.16 </Td> </Tr>

The basis of determining dearness allowance to government employees in india is