Month | 2008 | 2009 | 2010 | 2011 | 2012 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total | Positive | Total | Positive | Total | Positive | Total | Positive | Total | Positive | ||||||
n | % | n | % | n | % | n | % | n | % | ||||||
January | 10 | 6 | 60 | 8 | 1 | 13 | 16 | 5 | 31 | 14 | 3 | 21 | 6 | 1 | 17 |
February | 16 | 3 | 19 | 13 | 4 | 31 | 13 | 3 | 23 | 15 | 7 | 47 | 12 | 5 | 42 |
March | 18 | 5 | 28 | 16 | 5 | 31 | 16 | 2 | 13 | 26 | 15 | 58 | 18 | 9 | 50 |
April | 3 | 1 | 33 | 21 | 8 | 38 | 21 | 7 | 33 | 26 | 15 | 58 | 35 | 24 | 69 |
May | 15 | 2 | 13 | 22 | 9 | 41 | 23 | 6 | 26 | 24 | 12 | 50 | 23 | 11 | 48 |
June | 15 | 3 | 20 | 24 | 7 | 29 | 26 | 3 | 12 | 15 | 10 | 67 | 22 | 6 | 27 |
July | 5 | 1 | 20 | 24 | 7 | 29 | 29 | 8 | 28 | 18 | 4 | 22 | - | - | - |
August | 8 | 2 | 25 | 17 | 3 | 18 | 18 | 6 | 33 | 16 | 4 | 25 | - | - | - |
September | 5 | 1 | 20 | 10 | 4 | 40 | 22 | 9 | 41 | 15 | 7 | 47 | - | - | - |
October | 10 | 5 | 50 | 27 | 5 | 19 | 25 | 11 | 44 | 26 | 15 | 58 | - | - | - |
November | 25 | 11 | 44 | 21 | 6 | 29 | 27 | 5 | 19 | 17 | 7 | 41 | - | - | - |
December | 13 | 6 | 46 | 39 | 13 | 33 | 24 | 6 | 25 | 30 | 13 | 43 | - | - | - |
Total | 143 | 46 | 32 | 242 | 72 | 30 | 260 | 71 | 27 | 242 | 112 | 46 | 116 | 56 | 48 |