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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 13 |
| 1966 | 23 |
| 1967 | 22 |
| 1968 | 25 |
| 1969 | 26 |
| 1970 | 41 |
| 1971 | 25 |
| 1972 | 35 |
| 1973 | 29 |
| 1974 | 26 |
| 1975 | 34 |
| 1976 | 46 |
| 1977 | 36 |
| 1978 | 37 |
| 1979 | 30 |
| 1980 | 33 |
| 1981 | 29 |
| 1982 | 50 |
| 1983 | 33 |
| 1984 | 36 |
| 1985 | 61 |
| 1986 | 55 |
| 1987 | 48 |
| 1988 | 43 |
| 1989 | 33 |
| 1990 | 51 |
| 1991 | 63 |
| 1992 | 77 |
| 1993 | 87 |
| 1994 | 99 |
| 1995 | 112 |
| 1996 | 96 |
| 1997 | 133 |
| 1998 | 115 |
| 1999 | 156 |
| 2000 | 171 |
| 2001 | 192 |
| 2002 | 188 |
| 2003 | 179 |
| 2004 | 199 |
| 2005 | 196 |
| 2006 | 182 |
| 2007 | 208 |
| 2008 | 189 |
| 2009 | 190 |
| 2010 | 211 |
| 2011 | 182 |
| 2012 | 197 |
| 2013 | 195 |
| 2014 | 219 |
| 2015 | 176 |
| 2016 | 151 |
| 2017 | 158 |
| 2018 | 183 |
| 2019 | 270 |
| 2020 | 365 |
| 2021 | 426 |
| 2022 | 496 |
| 2023 | 424 |
| 2024 | 224 |