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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 42 |
| 1966 | 85 |
| 1967 | 108 |
| 1968 | 129 |
| 1969 | 178 |
| 1970 | 235 |
| 1971 | 177 |
| 1972 | 209 |
| 1973 | 162 |
| 1974 | 156 |
| 1975 | 156 |
| 1976 | 109 |
| 1977 | 86 |
| 1978 | 113 |
| 1979 | 135 |
| 1980 | 161 |
| 1981 | 174 |
| 1982 | 195 |
| 1983 | 238 |
| 1984 | 231 |
| 1985 | 294 |
| 1986 | 283 |
| 1987 | 335 |
| 1988 | 389 |
| 1989 | 349 |
| 1990 | 388 |
| 1991 | 407 |
| 1992 | 530 |
| 1993 | 566 |
| 1994 | 655 |
| 1995 | 717 |
| 1996 | 746 |
| 1997 | 783 |
| 1998 | 873 |
| 1999 | 965 |
| 2000 | 1083 |
| 2001 | 1144 |
| 2002 | 1214 |
| 2003 | 1481 |
| 2004 | 1341 |
| 2005 | 1514 |
| 2006 | 1839 |
| 2007 | 2031 |
| 2008 | 2232 |
| 2009 | 2267 |
| 2010 | 2496 |
| 2011 | 2806 |
| 2012 | 3024 |
| 2013 | 3167 |
| 2014 | 3105 |
| 2015 | 2787 |
| 2016 | 2949 |
| 2017 | 2678 |
| 2018 | 2463 |
| 2019 | 2508 |
| 2020 | 2303 |
| 2021 | 1981 |
| 2022 | 342 |
| 2023 | 83 |
| 2024 | 137 |