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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1943 | 1 |
| 1957 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 6 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 3 |
| 1974 | 4 |
| 1975 | 3 |
| 1976 | 10 |
| 1977 | 10 |
| 1978 | 13 |
| 1979 | 7 |
| 1980 | 14 |
| 1981 | 20 |
| 1982 | 14 |
| 1983 | 19 |
| 1984 | 14 |
| 1985 | 33 |
| 1986 | 42 |
| 1987 | 34 |
| 1988 | 26 |
| 1989 | 44 |
| 1990 | 46 |
| 1991 | 43 |
| 1992 | 55 |
| 1993 | 35 |
| 1994 | 58 |
| 1995 | 40 |
| 1996 | 51 |
| 1997 | 76 |
| 1998 | 68 |
| 1999 | 100 |
| 2000 | 111 |
| 2001 | 106 |
| 2002 | 97 |
| 2003 | 122 |
| 2004 | 140 |
| 2005 | 132 |
| 2006 | 160 |
| 2007 | 133 |
| 2008 | 153 |
| 2009 | 171 |
| 2010 | 172 |
| 2011 | 191 |
| 2012 | 167 |
| 2013 | 195 |
| 2014 | 216 |
| 2015 | 189 |
| 2016 | 204 |
| 2017 | 202 |
| 2018 | 223 |
| 2019 | 195 |
| 2020 | 278 |
| 2021 | 314 |
| 2022 | 294 |
| 2023 | 281 |
| 2024 | 118 |