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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 1 |
| 1949 | 2 |
| 1955 | 1 |
| 1958 | 1 |
| 1961 | 3 |
| 1962 | 2 |
| 1964 | 7 |
| 1965 | 31 |
| 1966 | 69 |
| 1967 | 99 |
| 1968 | 141 |
| 1969 | 144 |
| 1970 | 145 |
| 1971 | 150 |
| 1972 | 131 |
| 1973 | 148 |
| 1974 | 165 |
| 1975 | 134 |
| 1976 | 122 |
| 1977 | 132 |
| 1978 | 172 |
| 1979 | 161 |
| 1980 | 148 |
| 1981 | 156 |
| 1982 | 169 |
| 1983 | 157 |
| 1984 | 222 |
| 1985 | 216 |
| 1986 | 220 |
| 1987 | 212 |
| 1988 | 227 |
| 1989 | 229 |
| 1990 | 203 |
| 1991 | 223 |
| 1992 | 295 |
| 1993 | 213 |
| 1994 | 209 |
| 1995 | 264 |
| 1996 | 342 |
| 1997 | 356 |
| 1998 | 297 |
| 1999 | 247 |
| 2000 | 274 |
| 2001 | 305 |
| 2002 | 320 |
| 2003 | 318 |
| 2004 | 387 |
| 2005 | 467 |
| 2006 | 501 |
| 2007 | 544 |
| 2008 | 553 |
| 2009 | 577 |
| 2010 | 532 |
| 2011 | 597 |
| 2012 | 640 |
| 2013 | 643 |
| 2014 | 660 |
| 2015 | 709 |
| 2016 | 750 |
| 2017 | 676 |
| 2018 | 714 |
| 2019 | 722 |
| 2020 | 592 |
| 2021 | 372 |
| 2022 | 41 |
| 2023 | 4 |
| 2024 | 1 |