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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 6 |
| 1960 | 4 |
| 1961 | 5 |
| 1962 | 5 |
| 1963 | 4 |
| 1964 | 9 |
| 1965 | 6 |
| 1972 | 3 |
| 1973 | 25 |
| 1974 | 47 |
| 1975 | 44 |
| 1976 | 24 |
| 1977 | 21 |
| 1978 | 18 |
| 1979 | 19 |
| 1980 | 16 |
| 1981 | 5 |
| 1982 | 14 |
| 1983 | 10 |
| 1984 | 12 |
| 1985 | 20 |
| 1986 | 25 |
| 1987 | 16 |
| 1988 | 22 |
| 1989 | 28 |
| 1990 | 30 |
| 1991 | 37 |
| 1992 | 35 |
| 1993 | 47 |
| 1994 | 60 |
| 1995 | 59 |
| 1996 | 64 |
| 1997 | 78 |
| 1998 | 75 |
| 1999 | 70 |
| 2000 | 94 |
| 2001 | 92 |
| 2002 | 97 |
| 2003 | 116 |
| 2004 | 115 |
| 2005 | 131 |
| 2006 | 151 |
| 2007 | 195 |
| 2008 | 181 |
| 2009 | 198 |
| 2010 | 176 |
| 2011 | 182 |
| 2012 | 214 |
| 2013 | 212 |
| 2014 | 225 |
| 2015 | 219 |
| 2016 | 207 |
| 2017 | 215 |
| 2018 | 228 |
| 2019 | 246 |
| 2020 | 227 |
| 2021 | 185 |
| 2022 | 252 |
| 2023 | 204 |
| 2024 | 58 |