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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1951 | 2 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 18 |
| 1957 | 26 |
| 1958 | 14 |
| 1959 | 29 |
| 1960 | 14 |
| 1961 | 19 |
| 1962 | 26 |
| 1964 | 8 |
| 1965 | 31 |
| 1966 | 51 |
| 1967 | 69 |
| 1968 | 89 |
| 1969 | 109 |
| 1970 | 73 |
| 1971 | 85 |
| 1972 | 103 |
| 1973 | 119 |
| 1974 | 119 |
| 1975 | 137 |
| 1976 | 137 |
| 1977 | 159 |
| 1978 | 153 |
| 1979 | 161 |
| 1980 | 216 |
| 1981 | 191 |
| 1982 | 250 |
| 1983 | 258 |
| 1984 | 324 |
| 1985 | 407 |
| 1986 | 340 |
| 1987 | 381 |
| 1988 | 421 |
| 1989 | 477 |
| 1990 | 459 |
| 1991 | 503 |
| 1992 | 619 |
| 1993 | 613 |
| 1994 | 699 |
| 1995 | 660 |
| 1996 | 748 |
| 1997 | 839 |
| 1998 | 887 |
| 1999 | 924 |
| 2000 | 1128 |
| 2001 | 1152 |
| 2002 | 1227 |
| 2003 | 1319 |
| 2004 | 1499 |
| 2005 | 1680 |
| 2006 | 1604 |
| 2007 | 1779 |
| 2008 | 1856 |
| 2009 | 2039 |
| 2010 | 2127 |
| 2011 | 2427 |
| 2012 | 2530 |
| 2013 | 2526 |
| 2014 | 2758 |
| 2015 | 2859 |
| 2016 | 2756 |
| 2017 | 2396 |
| 2018 | 2586 |
| 2019 | 2555 |
| 2020 | 2339 |
| 2021 | 2163 |
| 2022 | 4204 |
| 2023 | 3975 |
| 2024 | 1364 |