| 평 균 | Std. Deviation | Std. Error | 95% Confidence Interval for Mean |
Min | Max | ||
|---|---|---|---|---|---|---|---|
| Lower Bound | Upper Bound | ||||||
| 2003 | 5.43 | 26.57 | 11.88 | (27.56) | 38.42 | (26.03) | 34.55 |
| 2004 | 16.17 | 20.04 | 7.58 | (2.37) | 34.71 | (4.10) | 46.28 |
| 2005 | 4.70 | 37.19 | 11.21 | (20.29) | 29.69 | (47.59) | 88.77 |
| 2006 | 12.60 | 32.55 | 6.79 | (1.47) | 26.67 | (42.54) | 92.97 |
| 2007 | 21.62 | 43.20 | 8.64 | 3.79 | 39.45 | (44.08) | 125.94 |
| 2008 | 38.75 | 48.51 | 7.31 | 24.00 | 53.50 | (33.62) | 184.62 |
| 2009 | 19.74 | 36.99 | 7.12 | 5.11 | 34.38 | (41.50) | 137.37 |
| 2010 | 31.70 | 48.84 | 8.14 | 15.17 | 48.22 | (45.12) | 190.19 |
| Total | 24.30 | 42.88 | 3.18 | 18.03 | 30.57 | (47.59) | 190.19 |