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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 4 |
| 1964 | 18 |
| 1965 | 119 |
| 1966 | 278 |
| 1967 | 458 |
| 1968 | 600 |
| 1969 | 597 |
| 1970 | 705 |
| 1971 | 777 |
| 1972 | 963 |
| 1973 | 1043 |
| 1974 | 1101 |
| 1975 | 1114 |
| 1976 | 1034 |
| 1977 | 1062 |
| 1978 | 988 |
| 1979 | 1023 |
| 1980 | 976 |
| 1981 | 905 |
| 1982 | 957 |
| 1983 | 947 |
| 1984 | 1022 |
| 1985 | 1028 |
| 1986 | 1004 |
| 1987 | 864 |
| 1988 | 1043 |
| 1989 | 1042 |
| 1990 | 1214 |
| 1991 | 1257 |
| 1992 | 1290 |
| 1993 | 1289 |
| 1994 | 1286 |
| 1995 | 1292 |
| 1996 | 1256 |
| 1997 | 1291 |
| 1998 | 1290 |
| 1999 | 1309 |
| 2000 | 1463 |
| 2001 | 1580 |
| 2002 | 1628 |
| 2003 | 1678 |
| 2004 | 1722 |
| 2005 | 1856 |
| 2006 | 1987 |
| 2007 | 1997 |
| 2008 | 2183 |
| 2009 | 2319 |
| 2010 | 2367 |
| 2011 | 2493 |
| 2012 | 2558 |
| 2013 | 2986 |
| 2014 | 2889 |
| 2015 | 2871 |
| 2016 | 2602 |
| 2017 | 2500 |
| 2018 | 2353 |
| 2019 | 2153 |
| 2020 | 2015 |
| 2021 | 1375 |
| 2022 | 664 |
| 2023 | 437 |
| 2024 | 129 |