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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 3 |
| 1947 | 2 |
| 1953 | 3 |
| 1954 | 3 |
| 1955 | 35 |
| 1956 | 19 |
| 1957 | 1 |
| 1959 | 12 |
| 1960 | 12 |
| 1961 | 4 |
| 1962 | 10 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 1 |
| 1970 | 3 |
| 1974 | 1 |
| 1976 | 3 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 69 |
| 1980 | 195 |
| 1981 | 200 |
| 1982 | 227 |
| 1983 | 257 |
| 1984 | 274 |
| 1985 | 265 |
| 1986 | 244 |
| 1987 | 265 |
| 1988 | 296 |
| 1989 | 392 |
| 1990 | 751 |
| 1991 | 963 |
| 1992 | 890 |
| 1993 | 885 |
| 1994 | 956 |
| 1995 | 1015 |
| 1996 | 1042 |
| 1997 | 1181 |
| 1998 | 1150 |
| 1999 | 1471 |
| 2000 | 1201 |
| 2001 | 1435 |
| 2002 | 1389 |
| 2003 | 1559 |
| 2004 | 1638 |
| 2005 | 1874 |
| 2006 | 2100 |
| 2007 | 2312 |
| 2008 | 2494 |
| 2009 | 2550 |
| 2010 | 2990 |
| 2011 | 3422 |
| 2012 | 3693 |
| 2013 | 4300 |
| 2014 | 4732 |
| 2015 | 5001 |
| 2016 | 5156 |
| 2017 | 5558 |
| 2018 | 5814 |
| 2019 | 5701 |
| 2020 | 4357 |
| 2021 | 1783 |
| 2022 | 1356 |
| 2023 | 1300 |
| 2024 | 1275 |