>Year>
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 1998 | 92.97% |
| proxy | -7 | 125 | 5.82% |
| 1987 | 1 | 0.05% | |
| 1997 | 1 | 0.05% | |
| 2000 | 1 | 0.05% | |
| 2002 | 1 | 0.05% | |
| 2004 | 1 | 0.05% | |
| 2005 | 1 | 0.05% | |
| 2008 | 1 | 0.05% | |
| 2009 | 2 | 0.09% | |
| 2010 | 2 | 0.09% | |
| 2011 | 1 | 0.05% | |
| 2012 | 7 | 0.33% | |
| 2013 | 7 | 0.33% | |
| Total | 2149 | 100.0% |
| Mean | Number Missing | Min | Max | Std Dev | N |
|---|---|---|---|---|---|
| 2008.73 | 2123 | 1987.0 | 2013.0 | 6.26 | 26 |
