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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 4 |
| 1960 | 2 |
| 1964 | 1 |
| 1965 | 3 |
| 1966 | 11 |
| 1967 | 13 |
| 1968 | 19 |
| 1969 | 16 |
| 1970 | 24 |
| 1971 | 19 |
| 1972 | 14 |
| 1973 | 22 |
| 1974 | 28 |
| 1975 | 19 |
| 1976 | 28 |
| 1977 | 37 |
| 1978 | 35 |
| 1979 | 51 |
| 1980 | 58 |
| 1981 | 75 |
| 1982 | 70 |
| 1983 | 92 |
| 1984 | 103 |
| 1985 | 121 |
| 1986 | 128 |
| 1987 | 148 |
| 1988 | 159 |
| 1989 | 167 |
| 1990 | 181 |
| 1991 | 183 |
| 1992 | 179 |
| 1993 | 225 |
| 1994 | 179 |
| 1995 | 270 |
| 1996 | 255 |
| 1997 | 288 |
| 1998 | 317 |
| 1999 | 297 |
| 2000 | 362 |
| 2001 | 293 |
| 2002 | 339 |
| 2003 | 421 |
| 2004 | 480 |
| 2005 | 493 |
| 2006 | 581 |
| 2007 | 607 |
| 2008 | 633 |
| 2009 | 702 |
| 2010 | 677 |
| 2011 | 737 |
| 2012 | 846 |
| 2013 | 979 |
| 2014 | 972 |
| 2015 | 985 |
| 2016 | 1017 |
| 2017 | 1016 |
| 2018 | 940 |
| 2019 | 912 |
| 2020 | 1020 |
| 2021 | 945 |
| 2022 | 994 |
| 2023 | 948 |
| 2024 | 820 |
| 2025 | 3 |