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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 7 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 63 |
| 1976 | 122 |
| 1977 | 156 |
| 1978 | 131 |
| 1979 | 121 |
| 1980 | 152 |
| 1981 | 146 |
| 1982 | 181 |
| 1983 | 188 |
| 1984 | 155 |
| 1985 | 171 |
| 1986 | 189 |
| 1987 | 219 |
| 1988 | 308 |
| 1989 | 364 |
| 1990 | 490 |
| 1991 | 522 |
| 1992 | 522 |
| 1993 | 607 |
| 1994 | 608 |
| 1995 | 628 |
| 1996 | 545 |
| 1997 | 534 |
| 1998 | 538 |
| 1999 | 543 |
| 2000 | 573 |
| 2001 | 601 |
| 2002 | 449 |
| 2003 | 227 |
| 2004 | 160 |
| 2005 | 222 |
| 2006 | 239 |
| 2007 | 210 |
| 2008 | 196 |
| 2009 | 191 |
| 2010 | 200 |
| 2011 | 211 |
| 2012 | 239 |
| 2013 | 238 |
| 2014 | 215 |
| 2015 | 213 |
| 2016 | 227 |
| 2017 | 224 |
| 2018 | 266 |
| 2019 | 260 |
| 2020 | 281 |
| 2021 | 307 |
| 2022 | 253 |
| 2023 | 257 |
| 2024 | 110 |