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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1956 | 2 |
| 1957 | 4 |
| 1958 | 5 |
| 1959 | 4 |
| 1960 | 9 |
| 1961 | 5 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 83 |
| 1973 | 199 |
| 1974 | 197 |
| 1975 | 239 |
| 1976 | 223 |
| 1977 | 275 |
| 1978 | 328 |
| 1979 | 317 |
| 1980 | 262 |
| 1981 | 275 |
| 1982 | 372 |
| 1983 | 379 |
| 1984 | 420 |
| 1985 | 501 |
| 1986 | 411 |
| 1987 | 495 |
| 1988 | 549 |
| 1989 | 563 |
| 1990 | 637 |
| 1991 | 674 |
| 1992 | 623 |
| 1993 | 691 |
| 1994 | 755 |
| 1995 | 789 |
| 1996 | 805 |
| 1997 | 996 |
| 1998 | 1007 |
| 1999 | 1109 |
| 2000 | 1069 |
| 2001 | 1133 |
| 2002 | 1207 |
| 2003 | 1252 |
| 2004 | 1278 |
| 2005 | 1320 |
| 2006 | 1357 |
| 2007 | 1382 |
| 2008 | 1323 |
| 2009 | 1454 |
| 2010 | 1305 |
| 2011 | 1367 |
| 2012 | 1438 |
| 2013 | 1551 |
| 2014 | 1448 |
| 2015 | 1428 |
| 2016 | 1233 |
| 2017 | 1123 |
| 2018 | 1087 |
| 2019 | 1018 |
| 2020 | 984 |
| 2021 | 661 |
| 2022 | 347 |
| 2023 | 234 |
| 2024 | 129 |