Year | Total snail area | Marshlands and lakes | Plain regions | Hilly and mountainous regions | |||||
---|---|---|---|---|---|---|---|---|---|
Inner embankment | Outside embankment | ||||||||
No. | No. | % | No. | % | No. | % | No. | % | |
2009 | 372 253 | 21 100 | 5.67 | 336 764 | 90.47 | 202 | 0.05 | 14 187 | 3.81 |
2010 | 373 516 | 21 138 | 5.66 | 337 679 | 90.41 | 195 | 0.05 | 14 504 | 3.88 |
2011 | 372 595 | 20 734 | 5.56 | 338 399 | 90.82 | 176 | 0.05 | 13 286 | 3.57 |
2012 | 368 633 | 20 382 | 5.53 | 335 507 | 91.01 | 209 | 0.06 | 12 535 | 3.40 |
2013 | 365 366 | 20 090 | 5.50 | 332 537 | 91.01 | 203 | 0.06 | 12 536 | 3.45 |
2014 | 364 245 | 22 345 | 6.13 | 329 658 | 90.50 | 145 | 0.04 | 12 096 | 3.32 |
2015 | 356 212 | 20 799 | 5.84 | 323 277 | 90.75 | 111 | 0.03 | 12 025 | 3.38 |
2016 | 356 752 | 21 291 | 5.97 | 317 884 | 89.11 | 133 | 0.04 | 17 444 | 4.89 |
2017 | 356 553 | 21 285 | 5.97 | 323 053 | 90.60 | 106 | 0.03 | 12 109 | 3.40 |