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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 22 |
| 1954 | 26 |
| 1955 | 22 |
| 1956 | 40 |
| 1957 | 41 |
| 1958 | 71 |
| 1959 | 26 |
| 1960 | 29 |
| 1961 | 74 |
| 1962 | 55 |
| 1963 | 1 |
| 1965 | 4 |
| 1966 | 44 |
| 1967 | 79 |
| 1968 | 61 |
| 1969 | 67 |
| 1970 | 54 |
| 1971 | 50 |
| 1972 | 55 |
| 1973 | 50 |
| 1974 | 65 |
| 1975 | 58 |
| 1976 | 51 |
| 1977 | 62 |
| 1978 | 50 |
| 1979 | 80 |
| 1980 | 57 |
| 1981 | 55 |
| 1982 | 76 |
| 1983 | 68 |
| 1984 | 63 |
| 1985 | 69 |
| 1986 | 60 |
| 1987 | 52 |
| 1988 | 59 |
| 1989 | 49 |
| 1990 | 36 |
| 1991 | 41 |
| 1992 | 49 |
| 1993 | 45 |
| 1994 | 38 |
| 1995 | 32 |
| 1996 | 30 |
| 1997 | 26 |
| 1998 | 36 |
| 1999 | 38 |
| 2000 | 31 |
| 2001 | 47 |
| 2002 | 40 |
| 2003 | 41 |
| 2004 | 45 |
| 2005 | 47 |
| 2006 | 48 |
| 2007 | 72 |
| 2008 | 71 |
| 2009 | 74 |
| 2010 | 88 |
| 2011 | 120 |
| 2012 | 128 |
| 2013 | 143 |
| 2014 | 163 |
| 2015 | 159 |
| 2016 | 148 |
| 2017 | 165 |
| 2018 | 156 |
| 2019 | 156 |
| 2020 | 101 |
| 2021 | 85 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 151 |
| 2025 | 127 |