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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1969 | 5 |
| 1970 | 14 |
| 1971 | 12 |
| 1972 | 8 |
| 1973 | 16 |
| 1974 | 16 |
| 1975 | 23 |
| 1976 | 20 |
| 1977 | 23 |
| 1978 | 27 |
| 1979 | 26 |
| 1980 | 29 |
| 1981 | 19 |
| 1982 | 28 |
| 1983 | 37 |
| 1984 | 26 |
| 1985 | 36 |
| 1986 | 59 |
| 1987 | 43 |
| 1988 | 53 |
| 1989 | 56 |
| 1990 | 80 |
| 1991 | 92 |
| 1992 | 104 |
| 1993 | 130 |
| 1994 | 138 |
| 1995 | 135 |
| 1996 | 121 |
| 1997 | 131 |
| 1998 | 120 |
| 1999 | 132 |
| 2000 | 110 |
| 2001 | 114 |
| 2002 | 130 |
| 2003 | 143 |
| 2004 | 123 |
| 2005 | 152 |
| 2006 | 125 |
| 2007 | 159 |
| 2008 | 197 |
| 2009 | 221 |
| 2010 | 165 |
| 2011 | 195 |
| 2012 | 179 |
| 2013 | 184 |
| 2014 | 192 |
| 2015 | 238 |
| 2016 | 265 |
| 2017 | 275 |
| 2018 | 297 |
| 2019 | 342 |
| 2020 | 329 |
| 2021 | 307 |
| 2022 | 275 |
| 2023 | 266 |
| 2024 | 116 |