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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1973 | 31 |
| 1974 | 39 |
| 1975 | 61 |
| 1976 | 96 |
| 1977 | 114 |
| 1978 | 100 |
| 1979 | 104 |
| 1980 | 88 |
| 1981 | 121 |
| 1982 | 115 |
| 1983 | 166 |
| 1984 | 203 |
| 1985 | 194 |
| 1986 | 236 |
| 1987 | 191 |
| 1988 | 179 |
| 1989 | 191 |
| 1990 | 242 |
| 1991 | 263 |
| 1992 | 253 |
| 1993 | 259 |
| 1994 | 225 |
| 1995 | 190 |
| 1996 | 165 |
| 1997 | 186 |
| 1998 | 116 |
| 1999 | 124 |
| 2000 | 134 |
| 2001 | 133 |
| 2002 | 121 |
| 2003 | 112 |
| 2004 | 166 |
| 2005 | 292 |
| 2006 | 173 |
| 2007 | 148 |
| 2008 | 185 |
| 2009 | 209 |
| 2010 | 181 |
| 2011 | 225 |
| 2012 | 255 |
| 2013 | 255 |
| 2014 | 341 |
| 2015 | 290 |
| 2016 | 260 |
| 2017 | 258 |
| 2018 | 297 |
| 2019 | 310 |
| 2020 | 220 |
| 2021 | 134 |
| 2022 | 45 |
| 2023 | 25 |
| 2024 | 17 |