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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1930 | 1 |
| 1946 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 5 |
| 1965 | 3 |
| 1966 | 4 |
| 1967 | 4 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 4 |
| 1972 | 2 |
| 1973 | 4 |
| 1974 | 2 |
| 1975 | 16 |
| 1976 | 15 |
| 1977 | 11 |
| 1978 | 15 |
| 1979 | 21 |
| 1980 | 19 |
| 1981 | 13 |
| 1982 | 16 |
| 1983 | 20 |
| 1984 | 27 |
| 1985 | 41 |
| 1986 | 46 |
| 1987 | 47 |
| 1988 | 67 |
| 1989 | 71 |
| 1990 | 80 |
| 1991 | 79 |
| 1992 | 84 |
| 1993 | 106 |
| 1994 | 102 |
| 1995 | 86 |
| 1996 | 90 |
| 1997 | 129 |
| 1998 | 113 |
| 1999 | 127 |
| 2000 | 157 |
| 2001 | 178 |
| 2002 | 157 |
| 2003 | 183 |
| 2004 | 202 |
| 2005 | 257 |
| 2006 | 286 |
| 2007 | 357 |
| 2008 | 386 |
| 2009 | 445 |
| 2010 | 596 |
| 2011 | 716 |
| 2012 | 760 |
| 2013 | 898 |
| 2014 | 946 |
| 2015 | 967 |
| 2016 | 1115 |
| 2017 | 1203 |
| 2018 | 1390 |
| 2019 | 1592 |
| 2020 | 1977 |
| 2021 | 2255 |
| 2022 | 2222 |
| 2023 | 1718 |