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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 30 |
| 1973 | 11 |
| 1974 | 41 |
| 1975 | 35 |
| 1976 | 40 |
| 1977 | 79 |
| 1978 | 61 |
| 1979 | 54 |
| 1980 | 34 |
| 1981 | 35 |
| 1982 | 42 |
| 1983 | 42 |
| 1984 | 42 |
| 1985 | 41 |
| 1986 | 42 |
| 1987 | 46 |
| 1988 | 46 |
| 1989 | 45 |
| 1990 | 42 |
| 1991 | 42 |
| 1992 | 45 |
| 1993 | 40 |
| 1994 | 53 |
| 1995 | 39 |
| 1996 | 67 |
| 1997 | 54 |
| 1998 | 61 |
| 1999 | 56 |
| 2000 | 69 |
| 2001 | 89 |
| 2002 | 90 |
| 2003 | 105 |
| 2004 | 124 |
| 2005 | 185 |
| 2006 | 224 |
| 2007 | 231 |
| 2008 | 237 |
| 2009 | 210 |
| 2010 | 246 |
| 2011 | 234 |
| 2012 | 228 |
| 2013 | 217 |
| 2014 | 178 |
| 2015 | 212 |
| 2016 | 215 |
| 2017 | 215 |
| 2018 | 204 |
| 2019 | 177 |
| 2020 | 222 |
| 2021 | 136 |
| 2022 | 135 |
| 2023 | 113 |
| 2024 | 68 |