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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1952 | 4 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1959 | 4 |
| 1960 | 1 |
| 1961 | 2 |
| 1964 | 3 |
| 1972 | 1 |
| 1973 | 14 |
| 1974 | 26 |
| 1975 | 37 |
| 1976 | 41 |
| 1977 | 49 |
| 1978 | 104 |
| 1979 | 215 |
| 1980 | 182 |
| 1981 | 281 |
| 1982 | 397 |
| 1983 | 445 |
| 1984 | 618 |
| 1985 | 817 |
| 1986 | 832 |
| 1987 | 837 |
| 1988 | 916 |
| 1989 | 1063 |
| 1990 | 1164 |
| 1991 | 1117 |
| 1992 | 1143 |
| 1993 | 1182 |
| 1994 | 1139 |
| 1995 | 1151 |
| 1996 | 1233 |
| 1997 | 1214 |
| 1998 | 1179 |
| 1999 | 1261 |
| 2000 | 1350 |
| 2001 | 1285 |
| 2002 | 1418 |
| 2003 | 1395 |
| 2004 | 1460 |
| 2005 | 1603 |
| 2006 | 1719 |
| 2007 | 1646 |
| 2008 | 1620 |
| 2009 | 1723 |
| 2010 | 1925 |
| 2011 | 2092 |
| 2012 | 2259 |
| 2013 | 2341 |
| 2014 | 2385 |
| 2015 | 2421 |
| 2016 | 2355 |
| 2017 | 2243 |
| 2018 | 2158 |
| 2019 | 2249 |
| 2020 | 2204 |
| 2021 | 1982 |
| 2022 | 2114 |
| 2023 | 1897 |
| 2024 | 935 |