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"median": 2018}, {"k": "환경월드컵", "n": 51, "first": 2001, "last": 2002, "peak": 2002, "median": 2002}, {"k": "교통통계", "n": 51, "first": 1993, "last": 2006, "peak": 1996, "median": 1998}, {"k": "학교", "n": 50, "first": 1994, "last": 2020, "peak": 2015, "median": 2011}, {"k": "세계환경의날", "n": 50, "first": 1987, "last": 2014, "peak": 1997, "median": 1997}, {"k": "에너지대안포럼", "n": 50, "first": 1998, "last": 2012, "peak": 2011, "median": 2011}, {"k": "활동보고서", "n": 50, "first": 1996, "last": 2023, "peak": 1999, "median": 2004}, {"k": "지진", "n": 50, "first": 1997, "last": 2023, "peak": 2016, "median": 2016}, {"k": "물관리", "n": 50, "first": 1998, "last": 2023, "peak": 2016, "median": 2016}, {"k": "사고", "n": 50, "first": 1993, "last": 2014, "peak": 1999, "median": 1999}, {"k": "다지사", "n": 50, "first": 2003, "last": 2017, "peak": 2004, "median": 2005}, {"k": "정보공개", "n": 50, "first": 2001, "last": 2017, "peak": 2014, "median": 2013}, {"k": "기후변화건강영향", "n": 50, "first": 2010, "last": 2017, "peak": 2016, 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"median": 2004}, {"k": "야생조류", "n": 49, "first": 2000, "last": 2024, "peak": 2010, "median": 2009}]