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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 4 |
| 1952 | 9 |
| 1953 | 14 |
| 1954 | 31 |
| 1955 | 42 |
| 1956 | 13 |
| 1957 | 24 |
| 1958 | 14 |
| 1959 | 4 |
| 1960 | 1 |
| 1965 | 15 |
| 1966 | 69 |
| 1967 | 98 |
| 1968 | 130 |
| 1969 | 104 |
| 1970 | 93 |
| 1971 | 104 |
| 1972 | 109 |
| 1973 | 125 |
| 1974 | 159 |
| 1975 | 146 |
| 1976 | 124 |
| 1977 | 156 |
| 1978 | 133 |
| 1979 | 141 |
| 1980 | 151 |
| 1981 | 150 |
| 1982 | 144 |
| 1983 | 121 |
| 1984 | 165 |
| 1985 | 199 |
| 1986 | 169 |
| 1987 | 146 |
| 1988 | 136 |
| 1989 | 175 |
| 1990 | 175 |
| 1991 | 182 |
| 1992 | 157 |
| 1993 | 149 |
| 1994 | 186 |
| 1995 | 174 |
| 1996 | 133 |
| 1997 | 174 |
| 1998 | 143 |
| 1999 | 141 |
| 2000 | 143 |
| 2001 | 179 |
| 2002 | 171 |
| 2003 | 147 |
| 2004 | 127 |
| 2005 | 141 |
| 2006 | 161 |
| 2007 | 180 |
| 2008 | 174 |
| 2009 | 177 |
| 2010 | 226 |
| 2011 | 213 |
| 2012 | 219 |
| 2013 | 257 |
| 2014 | 226 |
| 2015 | 198 |
| 2016 | 127 |
| 2017 | 128 |
| 2018 | 137 |
| 2019 | 98 |
| 2020 | 89 |
| 2021 | 102 |
| 2022 | 146 |
| 2023 | 157 |
| 2024 | 216 |
| 2025 | 189 |
| 2026 | 50 |