"1963–1996 Statistics / L". Instituto Nacional de Estadística de Uruguay. 2004. Archived from the original(DOC) on 29 November 2011. Retrieved 25 July 2011.
"1963–1996 Statistics / L". Instituto Nacional de Estadística de Uruguay. 2004. Archived from the original(DOC) on 29 November 2011. Retrieved 25 July 2011.