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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1923 | 1 |
| 1938 | 1 |
| 1942 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 1 |
| 1956 | 5 |
| 1957 | 9 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 8 |
| 1962 | 6 |
| 1963 | 9 |
| 1964 | 3 |
| 1965 | 9 |
| 1966 | 9 |
| 1967 | 11 |
| 1968 | 20 |
| 1969 | 32 |
| 1970 | 37 |
| 1971 | 36 |
| 1972 | 37 |
| 1973 | 36 |
| 1974 | 40 |
| 1975 | 49 |
| 1976 | 35 |
| 1977 | 28 |
| 1978 | 47 |
| 1979 | 58 |
| 1980 | 46 |
| 1981 | 41 |
| 1982 | 60 |
| 1983 | 45 |
| 1984 | 42 |
| 1985 | 62 |
| 1986 | 60 |
| 1987 | 92 |
| 1988 | 62 |
| 1989 | 65 |
| 1990 | 74 |
| 1991 | 64 |
| 1992 | 76 |
| 1993 | 70 |
| 1994 | 68 |
| 1995 | 90 |
| 1996 | 87 |
| 1997 | 103 |
| 1998 | 109 |
| 1999 | 118 |
| 2000 | 120 |
| 2001 | 149 |
| 2002 | 122 |
| 2003 | 126 |
| 2004 | 181 |
| 2005 | 198 |
| 2006 | 273 |
| 2007 | 268 |
| 2008 | 309 |
| 2009 | 300 |
| 2010 | 383 |
| 2011 | 398 |
| 2012 | 452 |
| 2013 | 502 |
| 2014 | 574 |
| 2015 | 600 |
| 2016 | 549 |
| 2017 | 580 |
| 2018 | 651 |
| 2019 | 651 |
| 2020 | 887 |
| 2021 | 1021 |
| 2022 | 1082 |
| 2023 | 481 |