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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 8 |
| 1952 | 21 |
| 1953 | 20 |
| 1954 | 31 |
| 1955 | 42 |
| 1956 | 39 |
| 1957 | 32 |
| 1958 | 29 |
| 1959 | 40 |
| 1960 | 41 |
| 1961 | 50 |
| 1962 | 20 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 29 |
| 1966 | 47 |
| 1967 | 51 |
| 1968 | 59 |
| 1969 | 36 |
| 1970 | 58 |
| 1971 | 52 |
| 1972 | 52 |
| 1973 | 43 |
| 1974 | 52 |
| 1975 | 33 |
| 1976 | 56 |
| 1977 | 51 |
| 1978 | 63 |
| 1979 | 76 |
| 1980 | 78 |
| 1981 | 74 |
| 1982 | 106 |
| 1983 | 120 |
| 1984 | 141 |
| 1985 | 149 |
| 1986 | 160 |
| 1987 | 168 |
| 1988 | 160 |
| 1989 | 165 |
| 1990 | 183 |
| 1991 | 151 |
| 1992 | 153 |
| 1993 | 153 |
| 1994 | 144 |
| 1995 | 148 |
| 1996 | 147 |
| 1997 | 147 |
| 1998 | 192 |
| 1999 | 168 |
| 2000 | 137 |
| 2001 | 155 |
| 2002 | 167 |
| 2003 | 144 |
| 2004 | 128 |
| 2005 | 178 |
| 2006 | 217 |
| 2007 | 218 |
| 2008 | 258 |
| 2009 | 234 |
| 2010 | 203 |
| 2011 | 275 |
| 2012 | 303 |
| 2013 | 334 |
| 2014 | 319 |
| 2015 | 322 |
| 2016 | 326 |
| 2017 | 299 |
| 2018 | 312 |
| 2019 | 271 |
| 2020 | 274 |
| 2021 | 204 |
| 2022 | 116 |
| 2023 | 120 |
| 2024 | 42 |