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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 17 |
| 1949 | 23 |
| 1950 | 40 |
| 1951 | 52 |
| 1952 | 64 |
| 1953 | 99 |
| 1954 | 139 |
| 1955 | 107 |
| 1956 | 111 |
| 1957 | 128 |
| 1958 | 136 |
| 1959 | 151 |
| 1960 | 117 |
| 1961 | 184 |
| 1962 | 169 |
| 1963 | 192 |
| 1964 | 215 |
| 1965 | 184 |
| 1966 | 297 |
| 1967 | 279 |
| 1968 | 200 |
| 1969 | 234 |
| 1970 | 241 |
| 1971 | 202 |
| 1972 | 223 |
| 1973 | 203 |
| 1974 | 156 |
| 1975 | 97 |
| 1976 | 179 |
| 1977 | 137 |
| 1978 | 101 |
| 1979 | 136 |
| 1980 | 110 |
| 1981 | 86 |
| 1982 | 87 |
| 1983 | 92 |
| 1984 | 98 |
| 1985 | 106 |
| 1986 | 85 |
| 1987 | 89 |
| 1988 | 65 |
| 1989 | 87 |
| 1990 | 113 |
| 1991 | 81 |
| 1992 | 90 |
| 1993 | 85 |
| 1994 | 97 |
| 1995 | 115 |
| 1996 | 73 |
| 1997 | 80 |
| 1998 | 121 |
| 1999 | 201 |
| 2000 | 245 |
| 2001 | 239 |
| 2002 | 238 |
| 2003 | 217 |
| 2004 | 224 |
| 2005 | 202 |
| 2006 | 225 |
| 2007 | 203 |
| 2008 | 226 |
| 2009 | 235 |
| 2010 | 220 |
| 2011 | 193 |
| 2012 | 185 |
| 2013 | 194 |
| 2014 | 177 |
| 2015 | 205 |
| 2016 | 200 |
| 2017 | 184 |
| 2018 | 181 |
| 2019 | 180 |
| 2020 | 204 |
| 2021 | 185 |
| 2022 | 168 |
| 2023 | 155 |
| 2024 | 53 |