Household Socio-Economic Survey . table1 . table2 . table3 . table4 . table5 . table6 . table7   TABLE 7 THE GINI COEFFICIENT OF HOUSEHOLD INCOME DISTRIBUTION BY REGION AND COMMUNITY TYPE     Region   Year Total Region Community Type Municipal Areas Sanitary Districts Villages Bangkok Metropolis 1975-76 0.260 ... ... ... and Provinces 1981 0.283 ... ... ... in Vicinity1/ 1986 0.315 ... ... ...   1988 0.305 ... ... ...   1990 0.356 ... ... ...   1992 0.397 ... ... ...   1994 0.336 ... ... ...   1996 0.383 ... ... ...   1998 0.347 ... ... ...   1999* 0.382 ... ... ...   2000 0.350 <------------- 0.365 --------------> ...   2001** 0.335 <------------- 0.346 --------------> ...             Central 1975-76 ... 0.288 0.304 0.261 1981 ... 0.242 0.310 0.293   1986 ... 0.322 0.375 0.336   1988 ... 0.288 0.326 0.336   1990 0.395 0.323 0.381 0.395   1992 0.353 0.288 0.350 0.323   1994 0.379 0.366 0.376 0.362   1996 0.346 0.275 0.342 0.337   1998 0.351 0.284 0.355 0.353   1999* 0.364 0.283 0.381 0.363   2000 0.350 <------------- 0.308 --------------> 0.362   2001** 0.326 <------------- 0.326 --------------> 0.321             North 1975-76 ... 0.333 0.299 0.278 1981 ... 0.328 0.327 0.314   1986 ... 0.329 0.362 0.329   1988 ... 0.368 0.338 0.340   1990 0.401 0.460 0.377 0.362   1992 0.391 0.391 0.400 0.332   1994 0.387 0.373 0.369 0.354   1996 0.386 0.392 0.369 0.356   1998 0.388 0.380 0.432 0.356   1999* 0.404 0.367 0.367 0.398   2000 0.398 <------------- 0.385 --------------> 0.381   2001** 0.379 <------------- 0.379 --------------> 0.344 Northeast 1975-76 ... 0.284 0.363 0.250 1981 ... 0.391 0.307 0.269   1986 ... 0.403 0.400 0.285   1988 ... 0.296 0.383 0.322   1990 0.337 0.341 0.406 0.300   1992 0.379 0.416 0.380 0.342   1994 0.390 0.398 0.437 0.333   1996 0.391 0.379 0.414 0.347   1998 0.367 0.365 0.379 0.321   1999* 0.404 0.334 0.380 0.371   2000 0.390 <------------- 0.427 --------------> 0.336   2001** 0.388 <------------- 0.388 --------------> 0.337             South 1975-76 ... 0.338 0.272 0.297 1981 ... 0.405 0.251 0.276   1986 ... 0.346 0.291 0.314   1988 ... 0.300 0.316 0.320   1990 0.371 0.306 0.349 0.362   1992 0.377 0.364 0.325 0.341   1994 0.402 0.336 0.351 0.396   1996 0.367 0.316 0.415 0.343   1998 0.382 0.295 0.351 0.381   1999* 0.366 0.365 0.349 0.331   2000 0.374 <------------- 0.353 --------------> 0.349   2001** 0.358 <------------- 0.358 --------------> 0.329               1/ Includes Nonthaburi, Pathum Thani and Samut Prakan. * Data collection period was from June - September 1999 * * Data collection period was from March - May, August - October 2001 Source : The 1975-1976 1981 1986 1988 1990 1992 1994 1996 1998 1999 2000 and 2001 Household Socio-economic Survey, National Statistical office