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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 15 |
| 1967 | 31 |
| 1968 | 61 |
| 1969 | 78 |
| 1970 | 70 |
| 1971 | 91 |
| 1972 | 75 |
| 1973 | 79 |
| 1974 | 95 |
| 1975 | 84 |
| 1976 | 73 |
| 1977 | 77 |
| 1978 | 92 |
| 1979 | 120 |
| 1980 | 89 |
| 1981 | 141 |
| 1982 | 142 |
| 1983 | 134 |
| 1984 | 166 |
| 1985 | 167 |
| 1986 | 180 |
| 1987 | 176 |
| 1988 | 207 |
| 1989 | 239 |
| 1990 | 287 |
| 1991 | 250 |
| 1992 | 249 |
| 1993 | 246 |
| 1994 | 252 |
| 1995 | 259 |
| 1996 | 253 |
| 1997 | 190 |
| 1998 | 195 |
| 1999 | 227 |
| 2000 | 239 |
| 2001 | 283 |
| 2002 | 359 |
| 2003 | 347 |
| 2004 | 306 |
| 2005 | 354 |
| 2006 | 311 |
| 2007 | 364 |
| 2008 | 370 |
| 2009 | 404 |
| 2010 | 462 |
| 2011 | 646 |
| 2012 | 730 |
| 2013 | 770 |
| 2014 | 853 |
| 2015 | 1040 |
| 2016 | 1002 |
| 2017 | 981 |
| 2018 | 914 |
| 2019 | 893 |
| 2020 | 653 |
| 2021 | 458 |
| 2022 | 62 |
| 2023 | 15 |
| 2024 | 77 |