Table 2.
Year | Season | |||
---|---|---|---|---|
Winter (n) | Spring (n) | Summer (n) | Autumn (n) | |
Seasonal index | 126.28 | 109.39 | 95.46 | 80.24 |
1999 | 79 | 115 | 142 | 214 |
2000 | 121 | 107 | 159 | 218 |
2001 | 133 | 162 | 241 | 242 |
2002 | 159 | 188 | 204 | 194 |
2003 | 163 | 157 | 149 | 158 |
2004 | 122 | 168 | 133 | 197 |
Total | 777 | 897 | 1028 | 1223 |
Average | 126.28 | 109.39 | 95.46 | 80.24 |
Seasonal index | 129.5 | 149.5 | 171.33 | 203.83 |
Chi-square | 84.257 | df = 15; | ||
value | P<0.001 |