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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1952 | 10 |
| 1953 | 6 |
| 1954 | 6 |
| 1955 | 9 |
| 1956 | 7 |
| 1957 | 9 |
| 1958 | 9 |
| 1959 | 7 |
| 1964 | 1 |
| 1965 | 16 |
| 1966 | 31 |
| 1967 | 21 |
| 1968 | 21 |
| 1969 | 32 |
| 1970 | 53 |
| 1971 | 41 |
| 1972 | 46 |
| 1973 | 63 |
| 1974 | 67 |
| 1975 | 66 |
| 1976 | 49 |
| 1977 | 44 |
| 1978 | 49 |
| 1979 | 37 |
| 1980 | 47 |
| 1981 | 54 |
| 1982 | 53 |
| 1983 | 53 |
| 1984 | 51 |
| 1985 | 42 |
| 1986 | 47 |
| 1987 | 67 |
| 1988 | 74 |
| 1989 | 79 |
| 1990 | 58 |
| 1991 | 70 |
| 1992 | 65 |
| 1993 | 87 |
| 1994 | 82 |
| 1995 | 106 |
| 1996 | 93 |
| 1997 | 107 |
| 1998 | 92 |
| 1999 | 78 |
| 2000 | 87 |
| 2001 | 95 |
| 2002 | 85 |
| 2003 | 103 |
| 2004 | 91 |
| 2005 | 130 |
| 2006 | 142 |
| 2007 | 148 |
| 2008 | 170 |
| 2009 | 178 |
| 2010 | 222 |
| 2011 | 213 |
| 2012 | 209 |
| 2013 | 215 |
| 2014 | 239 |
| 2015 | 258 |
| 2016 | 292 |
| 2017 | 295 |
| 2018 | 299 |
| 2019 | 285 |
| 2020 | 202 |
| 2021 | 125 |
| 2022 | 23 |
| 2023 | 3 |
| 2024 | 2 |