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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1954 | 1 |
| 1959 | 4 |
| 1960 | 11 |
| 1961 | 12 |
| 1962 | 8 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 4 |
| 1976 | 9 |
| 1977 | 17 |
| 1978 | 20 |
| 1979 | 29 |
| 1980 | 23 |
| 1981 | 37 |
| 1982 | 22 |
| 1983 | 40 |
| 1984 | 40 |
| 1985 | 34 |
| 1986 | 43 |
| 1987 | 42 |
| 1988 | 38 |
| 1989 | 79 |
| 1990 | 88 |
| 1991 | 71 |
| 1992 | 104 |
| 1993 | 122 |
| 1994 | 136 |
| 1995 | 190 |
| 1996 | 185 |
| 1997 | 200 |
| 1998 | 232 |
| 1999 | 197 |
| 2000 | 249 |
| 2001 | 202 |
| 2002 | 196 |
| 2003 | 228 |
| 2004 | 346 |
| 2005 | 355 |
| 2006 | 347 |
| 2007 | 384 |
| 2008 | 453 |
| 2009 | 453 |
| 2010 | 413 |
| 2011 | 392 |
| 2012 | 508 |
| 2013 | 570 |
| 2014 | 652 |
| 2015 | 620 |
| 2016 | 560 |
| 2017 | 358 |
| 2018 | 360 |
| 2019 | 391 |
| 2020 | 335 |
| 2021 | 148 |
| 2022 | 20 |
| 2023 | 6 |
| 2024 | 1 |