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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 2 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 6 |
| 1958 | 2 |
| 1959 | 6 |
| 1960 | 2 |
| 1961 | 5 |
| 1962 | 10 |
| 1963 | 15 |
| 1964 | 18 |
| 1965 | 13 |
| 1966 | 17 |
| 1967 | 28 |
| 1968 | 28 |
| 1969 | 21 |
| 1970 | 28 |
| 1971 | 24 |
| 1972 | 22 |
| 1973 | 31 |
| 1974 | 25 |
| 1975 | 23 |
| 1976 | 33 |
| 1977 | 55 |
| 1978 | 39 |
| 1979 | 44 |
| 1980 | 48 |
| 1981 | 77 |
| 1982 | 62 |
| 1983 | 66 |
| 1984 | 73 |
| 1985 | 88 |
| 1986 | 73 |
| 1987 | 83 |
| 1988 | 98 |
| 1989 | 105 |
| 1990 | 84 |
| 1991 | 107 |
| 1992 | 95 |
| 1993 | 77 |
| 1994 | 73 |
| 1995 | 85 |
| 1996 | 115 |
| 1997 | 114 |
| 1998 | 148 |
| 1999 | 141 |
| 2000 | 154 |
| 2001 | 135 |
| 2002 | 166 |
| 2003 | 149 |
| 2004 | 177 |
| 2005 | 202 |
| 2006 | 165 |
| 2007 | 157 |
| 2008 | 157 |
| 2009 | 164 |
| 2010 | 200 |
| 2011 | 232 |
| 2012 | 226 |
| 2013 | 243 |
| 2014 | 241 |
| 2015 | 251 |
| 2016 | 287 |
| 2017 | 268 |
| 2018 | 242 |
| 2019 | 262 |
| 2020 | 317 |
| 2021 | 297 |
| 2022 | 245 |
| 2023 | 250 |
| 2024 | 260 |
| 2025 | 261 |