YearNumber (Percentage, %) | 2006 n (%) | 2007 n (%) | 2008 n (%) | 2009 n (%) | 2010 n (%) | 2011 n (%) | 2012 n (%) | 2013 n (%) | 2014 n (%) | 2015 n (%) | Total n (%) |
---|---|---|---|---|---|---|---|---|---|---|---|
non-myopiaa | 1611 (44.05) | 1573 (43.51) | 1521 (41.53) | 1459 (39.46) | 1528 (39.21) | 1471 (38.87) | 1456 (38.16) | 1410 (37.23) | 1386 (36.16) | 1269 (34.52) | 14,684 (100) |
 Boys | 814 (22.26) | 796 (22.02) | 772 (21.08) | 768 (20.77) | 789 (20.25) | 786 (20.77) | 764 (20.02) | 737 (19.46) | 744 (19.41) | 683 (18.58) | 7653 (20.45) |
 Girls | 797 (21.79) | 777 (21.49) | 749 (20.45) | 691 (18.69) | 739 (18.96) | 685 (18.10) | 692 (18.13) | 673 (17.77) | 642 (16.75) | 586 (15.94) | 7031 (18.79) |
low myopia | 1180 (32.27) | 1151 (31.84) | 1124 (30.69) | 1052 (28.46) | 1057 (27.12) | 969 (25.61) | 923 (24.19) | 890 (23.50) | 854 (22.28) | 762 (20.73) | 9962 (26.62) |
 Boys | 603 (16.49) | 577 (15.96) | 571 (15.59) | 568 (15.36) | 558 (14.32) | 539 (14.24) | 398 (10.43) | 467 (12.33) | 461 (12.03) | 402 (10.94) | 5144 (13.75) |
 Girls | 577 (15.78) | 574 (15.88) | 553 (15.10) | 484 (13.09) | 499 (12.80) | 430 (11.36) | 525 (13.76) | 423 (11.17) | 393 (10.25) | 360 (9.79) | 4818 (12.87) |
moderate myopia | 721 (19.72) | 740 (20.47) | 843 (23.02) | 1002 (27.01) | 1097 (28.15) | 1121 (29.62) | 1211 (31.73) | 1259 (33.25) | 1347 (35.14) | 1399 (38.06) | 10,740 (28.70) |
 Boys | 289 (7.90) | 311 (8.60) | 332 (9.07) | 427 (11.55) | 420 (10.78) | 512 (13.53) | 492 (12.89) | 528 (13.94) | 501 (13.07) | 592 (16.10) | 4273 (11.42) |
 Girls | 432 (12.81) | 429 (11.87) | 511 (13.95) | 575 (15.55) | 677 (17.37) | 609 (16.09) | 719 (18.84) | 731 (19.30) | 846 (22.07) | 807 (21.95) | 6467 (17.28) |
high myopia | 145 (3.96) | 151 (4.18) | 174 (4.75) | 184 (4.98) | 215 (5.52) | 223 (5.89) | 226 (5.92) | 228 (6.02) | 246 (6.42) | 246 (6.69) | 2038 (5.45) |
 Boys | 36 (0.98) | 36 (1.00) | 53 (1.45) | 70 (1.89) | 86 (2.21) | 89 (2.35) | 98 (2.57) | 84 (2.22) | 77 (2.01) | 95 (2.58) | 724 (1.93) |
 Girls | 109 (2.98) | 115 (3.18) | 121 (3.30) | 114 (3.08) | 129 (3.31) | 134 (3.54) | 128 (3.35) | 144 (3.80) | 169 (4.41) | 151 (4.11) | 1314 (3.51) |
Total | 3657 (100.00) | 3615 (100.00) | 3662 (100.00) | 3697 (100.00) | 3897 (100.00) | 3784 (100.00) | 3816 (100.00) | 3787 (100.00) | 3833 (100.00) | 3676 (100.00) | 37,424 (100) |
 Boys | 1742 (47.63) | 1629 (45.06) | 1718 (46.91) | 1833 (49.58) | 1853 (47.55) | 1926 (50.90) | 1752 (45.91) | 1816 (47.95) | 1783 (46.52) | 1772 (48.20) | 17,794 (47.55) |
 Girls | 1915 (52.37) | 1986 (54.94) | 1944 (53.09) | 1864 (50.42) | 2044 (52.45) | 1858 (49.10) | 2064 (54.09) | 1971 (52.05) | 2050 (53.48) | 1904 (51.80) | 19,630 (52.45) |