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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 6 |
| 1969 | 7 |
| 1970 | 8 |
| 1971 | 8 |
| 1972 | 6 |
| 1973 | 2 |
| 1974 | 5 |
| 1975 | 16 |
| 1976 | 5 |
| 1977 | 10 |
| 1978 | 8 |
| 1979 | 12 |
| 1980 | 19 |
| 1981 | 29 |
| 1982 | 22 |
| 1983 | 15 |
| 1984 | 32 |
| 1985 | 45 |
| 1986 | 40 |
| 1987 | 42 |
| 1988 | 50 |
| 1989 | 52 |
| 1990 | 43 |
| 1991 | 48 |
| 1992 | 44 |
| 1993 | 47 |
| 1994 | 65 |
| 1995 | 47 |
| 1996 | 67 |
| 1997 | 52 |
| 1998 | 59 |
| 1999 | 78 |
| 2000 | 83 |
| 2001 | 96 |
| 2002 | 83 |
| 2003 | 100 |
| 2004 | 92 |
| 2005 | 115 |
| 2006 | 131 |
| 2007 | 143 |
| 2008 | 129 |
| 2009 | 159 |
| 2010 | 158 |
| 2011 | 153 |
| 2012 | 159 |
| 2013 | 193 |
| 2014 | 185 |
| 2015 | 198 |
| 2016 | 178 |
| 2017 | 148 |
| 2018 | 157 |
| 2019 | 183 |
| 2020 | 186 |
| 2021 | 207 |
| 2022 | 201 |
| 2023 | 161 |
| 2024 | 57 |