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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 31 |
| 1969 | 54 |
| 1970 | 44 |
| 1971 | 57 |
| 1972 | 56 |
| 1973 | 61 |
| 1974 | 53 |
| 1975 | 59 |
| 1976 | 73 |
| 1977 | 68 |
| 1978 | 71 |
| 1979 | 66 |
| 1980 | 67 |
| 1981 | 63 |
| 1982 | 65 |
| 1983 | 56 |
| 1984 | 56 |
| 1985 | 49 |
| 1986 | 52 |
| 1987 | 87 |
| 1988 | 82 |
| 1989 | 88 |
| 1990 | 96 |
| 1991 | 42 |
| 1992 | 134 |
| 1993 | 95 |
| 1994 | 90 |
| 1995 | 98 |
| 1996 | 91 |
| 1997 | 47 |
| 1998 | 102 |
| 1999 | 80 |
| 2000 | 85 |
| 2001 | 86 |
| 2002 | 83 |
| 2003 | 84 |
| 2004 | 87 |
| 2005 | 146 |
| 2006 | 171 |
| 2007 | 173 |
| 2008 | 200 |
| 2009 | 156 |
| 2010 | 177 |
| 2011 | 193 |
| 2012 | 185 |
| 2013 | 205 |
| 2014 | 222 |
| 2015 | 226 |
| 2016 | 209 |
| 2017 | 247 |
| 2018 | 297 |
| 2019 | 235 |
| 2020 | 261 |
| 2021 | 218 |
| 2022 | 166 |
| 2023 | 183 |
| 2024 | 81 |