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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 5 |
| 1963 | 2 |
| 1964 | 8 |
| 1965 | 2 |
| 1966 | 48 |
| 1967 | 134 |
| 1968 | 241 |
| 1969 | 288 |
| 1970 | 286 |
| 1971 | 350 |
| 1972 | 527 |
| 1973 | 457 |
| 1974 | 537 |
| 1975 | 421 |
| 1976 | 356 |
| 1977 | 299 |
| 1978 | 224 |
| 1979 | 252 |
| 1980 | 192 |
| 1981 | 158 |
| 1982 | 105 |
| 1983 | 122 |
| 1984 | 125 |
| 1985 | 131 |
| 1986 | 94 |
| 1987 | 109 |
| 1988 | 103 |
| 1989 | 115 |
| 1990 | 128 |
| 1991 | 99 |
| 1992 | 123 |
| 1993 | 175 |
| 1994 | 167 |
| 1995 | 160 |
| 1996 | 139 |
| 1997 | 166 |
| 1998 | 148 |
| 1999 | 132 |
| 2000 | 163 |
| 2001 | 255 |
| 2002 | 212 |
| 2003 | 218 |
| 2004 | 237 |
| 2005 | 260 |
| 2006 | 232 |
| 2007 | 273 |
| 2008 | 381 |
| 2009 | 377 |
| 2010 | 369 |
| 2011 | 273 |
| 2012 | 234 |
| 2013 | 187 |
| 2014 | 191 |
| 2015 | 198 |
| 2016 | 152 |
| 2017 | 147 |
| 2018 | 122 |
| 2019 | 87 |
| 2020 | 86 |
| 2021 | 55 |
| 2022 | 14 |
| 2023 | 19 |
| 2024 | 26 |