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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 4 |
| 1952 | 15 |
| 1953 | 18 |
| 1954 | 21 |
| 1955 | 23 |
| 1956 | 22 |
| 1957 | 21 |
| 1958 | 24 |
| 1959 | 28 |
| 1960 | 31 |
| 1961 | 33 |
| 1962 | 22 |
| 1964 | 2 |
| 1965 | 31 |
| 1966 | 67 |
| 1967 | 48 |
| 1968 | 50 |
| 1969 | 46 |
| 1970 | 35 |
| 1971 | 24 |
| 1972 | 24 |
| 1973 | 14 |
| 1974 | 24 |
| 1975 | 11 |
| 1976 | 19 |
| 1977 | 11 |
| 1978 | 14 |
| 1979 | 12 |
| 1980 | 28 |
| 1981 | 16 |
| 1982 | 13 |
| 1983 | 29 |
| 1984 | 21 |
| 1985 | 19 |
| 1986 | 26 |
| 1987 | 23 |
| 1988 | 23 |
| 1989 | 24 |
| 1990 | 35 |
| 1991 | 38 |
| 1992 | 27 |
| 1993 | 25 |
| 1994 | 23 |
| 1995 | 51 |
| 1996 | 103 |
| 1997 | 96 |
| 1998 | 95 |
| 1999 | 97 |
| 2000 | 79 |
| 2001 | 216 |
| 2002 | 435 |
| 2003 | 574 |
| 2004 | 625 |
| 2005 | 671 |
| 2006 | 661 |
| 2007 | 718 |
| 2008 | 748 |
| 2009 | 764 |
| 2010 | 773 |
| 2011 | 879 |
| 2012 | 968 |
| 2013 | 1064 |
| 2014 | 1214 |
| 2015 | 1181 |
| 2016 | 1146 |
| 2017 | 1166 |
| 2018 | 1139 |
| 2019 | 1148 |
| 2020 | 1299 |
| 2021 | 1313 |
| 2022 | 1156 |
| 2023 | 1085 |
| 2024 | 307 |