{"entity":{"iso2":"BN","iso3":"BRN","name":"Brunei Darussalam","slug":"brunei-darussalam"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"polio-number-unvaccinated","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/polio-number-unvaccinated","title":"Polio number unvaccinated","unit":null},"observations":[{"date":"1980-01-01","value":598.51},{"date":"1981-01-01","value":275.4},{"date":"1982-01-01","value":56.03},{"date":"1983-01-01","value":571.5},{"date":"1984-01-01","value":352.8},{"date":"1985-01-01","value":734.64},{"date":"1986-01-01","value":893.76},{"date":"1987-01-01","value":791.76},{"date":"1988-01-01","value":740.74},{"date":"1989-01-01","value":617.04},{"date":"1990-01-01","value":558.72},{"date":"1991-01-01","value":424.92},{"date":"1992-01-01","value":358.0},{"date":"1993-01-01","value":71.78},{"date":"1994-01-01","value":70.98},{"date":"1995-01-01","value":69.82},{"date":"1996-01-01","value":68.51},{"date":"1997-01-01","value":67.19},{"date":"1998-01-01","value":132.44},{"date":"1999-01-01","value":197.04},{"date":"2000-01-01","value":65.23},{"date":"2001-01-01","value":64.79},{"date":"2002-01-01","value":64.47},{"date":"2003-01-01","value":63.91},{"date":"2004-01-01","value":503.84},{"date":"2005-01-01","value":432.81},{"date":"2006-01-01","value":363.24},{"date":"2007-01-01","value":299.3},{"date":"2008-01-01","value":179.13},{"date":"2009-01-01","value":60.49},{"date":"2010-01-01","value":62.9},{"date":"2011-01-01","value":261.24},{"date":"2012-01-01","value":533.76},{"date":"2013-01-01","value":67.24},{"date":"2014-01-01","value":67.15},{"date":"2015-01-01","value":67.02},{"date":"2016-01-01","value":66.86},{"date":"2017-01-01","value":66.38},{"date":"2018-01-01","value":65.48},{"date":"2019-01-01","value":64.42},{"date":"2020-01-01","value":63.53},{"date":"2021-01-01","value":63.03},{"date":"2022-01-01","value":62.95},{"date":"2023-01-01","value":62.76}],"summary":{"latest_period":"2023-01-01","latest_value":62.76,"max":893.76,"mean":257.353,"min":56.03,"of":192,"rank":179,"trend":"volatile"}}