>Year>
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 2003 | 93.21% |
| proxy | -7 | 125 | 5.82% |
| 1970 | 1 | 0.05% | |
| 1975 | 4 | 0.19% | |
| 1981 | 1 | 0.05% | |
| 1985 | 1 | 0.05% | |
| 1990 | 2 | 0.09% | |
| 1992 | 1 | 0.05% | |
| 1993 | 1 | 0.05% | |
| 1995 | 1 | 0.05% | |
| 1999 | 1 | 0.05% | |
| 2000 | 1 | 0.05% | |
| 2002 | 1 | 0.05% | |
| 2004 | 1 | 0.05% | |
| 2007 | 1 | 0.05% | |
| 2010 | 2 | 0.09% | |
| 2012 | 2 | 0.09% | |
| Total | 2149 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 1992.95 | 2128 | 1970.0 | 2012.0 | 13.85 | 21 |
