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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 3 |
| 1965 | 16 |
| 1966 | 32 |
| 1967 | 39 |
| 1968 | 59 |
| 1969 | 50 |
| 1970 | 61 |
| 1971 | 61 |
| 1972 | 64 |
| 1973 | 58 |
| 1974 | 67 |
| 1975 | 79 |
| 1976 | 66 |
| 1977 | 85 |
| 1978 | 111 |
| 1979 | 115 |
| 1980 | 113 |
| 1981 | 123 |
| 1982 | 177 |
| 1983 | 160 |
| 1984 | 193 |
| 1985 | 230 |
| 1986 | 205 |
| 1987 | 236 |
| 1988 | 237 |
| 1989 | 279 |
| 1990 | 288 |
| 1991 | 278 |
| 1992 | 282 |
| 1993 | 327 |
| 1994 | 325 |
| 1995 | 330 |
| 1996 | 341 |
| 1997 | 315 |
| 1998 | 361 |
| 1999 | 392 |
| 2000 | 413 |
| 2001 | 481 |
| 2002 | 591 |
| 2003 | 606 |
| 2004 | 684 |
| 2005 | 792 |
| 2006 | 926 |
| 2007 | 1009 |
| 2008 | 1069 |
| 2009 | 1223 |
| 2010 | 1536 |
| 2011 | 1607 |
| 2012 | 1676 |
| 2013 | 1683 |
| 2014 | 1852 |
| 2015 | 1869 |
| 2016 | 1787 |
| 2017 | 1880 |
| 2018 | 1948 |
| 2019 | 2045 |
| 2020 | 2572 |
| 2021 | 2995 |
| 2022 | 3034 |
| 2023 | 2914 |
| 2024 | 1167 |