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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 139 |
| 1948 | 112 |
| 1949 | 124 |
| 1950 | 219 |
| 1951 | 283 |
| 1952 | 247 |
| 1953 | 252 |
| 1954 | 202 |
| 1955 | 213 |
| 1956 | 223 |
| 1957 | 216 |
| 1958 | 227 |
| 1959 | 228 |
| 1960 | 193 |
| 1961 | 201 |
| 1962 | 178 |
| 1963 | 183 |
| 1964 | 225 |
| 1965 | 191 |
| 1966 | 211 |
| 1967 | 281 |
| 1968 | 301 |
| 1969 | 261 |
| 1970 | 269 |
| 1971 | 240 |
| 1972 | 235 |
| 1973 | 314 |
| 1974 | 292 |
| 1975 | 319 |
| 1976 | 352 |
| 1977 | 351 |
| 1978 | 426 |
| 1979 | 353 |
| 1980 | 339 |
| 1981 | 340 |
| 1982 | 345 |
| 1983 | 358 |
| 1984 | 289 |
| 1985 | 302 |
| 1986 | 325 |
| 1987 | 340 |
| 1988 | 340 |
| 1989 | 365 |
| 1990 | 340 |
| 1991 | 364 |
| 1992 | 395 |
| 1993 | 329 |
| 1994 | 219 |
| 1995 | 269 |
| 1996 | 266 |
| 1997 | 287 |
| 1998 | 273 |
| 1999 | 270 |
| 2000 | 255 |
| 2001 | 242 |
| 2002 | 212 |
| 2003 | 191 |
| 2004 | 193 |
| 2005 | 187 |
| 2006 | 192 |
| 2007 | 189 |
| 2008 | 179 |
| 2009 | 148 |
| 2010 | 185 |
| 2011 | 213 |
| 2012 | 196 |
| 2014 | 1 |
| 2019 | 24 |
| 2020 | 134 |
| 2021 | 101 |
| 2022 | 28 |
| 2023 | 16 |
| 2024 | 0 |