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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1953 | 4 |
| 1954 | 4 |
| 1956 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1967 | 4 |
| 1968 | 2 |
| 1969 | 8 |
| 1970 | 10 |
| 1971 | 6 |
| 1972 | 5 |
| 1973 | 12 |
| 1974 | 12 |
| 1975 | 16 |
| 1976 | 10 |
| 1977 | 12 |
| 1978 | 15 |
| 1979 | 16 |
| 1980 | 29 |
| 1981 | 19 |
| 1982 | 30 |
| 1983 | 32 |
| 1984 | 28 |
| 1985 | 35 |
| 1986 | 37 |
| 1987 | 42 |
| 1988 | 43 |
| 1989 | 30 |
| 1990 | 36 |
| 1991 | 36 |
| 1992 | 49 |
| 1993 | 64 |
| 1994 | 54 |
| 1995 | 65 |
| 1996 | 53 |
| 1997 | 68 |
| 1998 | 73 |
| 1999 | 83 |
| 2000 | 71 |
| 2001 | 89 |
| 2002 | 83 |
| 2003 | 91 |
| 2004 | 81 |
| 2005 | 90 |
| 2006 | 118 |
| 2007 | 128 |
| 2008 | 120 |
| 2009 | 118 |
| 2010 | 131 |
| 2011 | 141 |
| 2012 | 163 |
| 2013 | 189 |
| 2014 | 173 |
| 2015 | 177 |
| 2016 | 175 |
| 2017 | 179 |
| 2018 | 188 |
| 2019 | 199 |
| 2020 | 206 |
| 2021 | 190 |
| 2022 | 185 |
| 2023 | 171 |
| 2024 | 139 |