IRMA Annual Park Recreation Visitation (1904 - Last Calendar Year) - Natchez Trace PKWY (Park=NATR) CSV export
Source URL used: https://irma.nps.gov/Stats/MvcReportViewer.aspx?_id=71f97e82-203f-406f-9d13-e620cabd315f&_m=Remote&_r=%2FIRMA+Prod%2FSTATS%2FPark+Specific+Reports%2FAnnual+Park+Recreation+Visitation+(1904+-+Last+Calendar+Year)&_15=True&_16=True&_18=True&_19=True&_34=False&_35=False&_39=880px&Park=NATR
CSV export URL template: https://irma.nps.gov/Stats/Reserved.ReportViewerWebControl.axd?ReportSession=pahyfb2vzpnr05qjbfxmhw45&Culture=1033&CultureOverrides=True&UICulture=1033&UICultureOverrides=True&ReportStack=1&ControlID=e9f6ced4ee614476ba1b347bfcf04191&OpType=Export&FileName=Annual+Park+Recreation+Visitation+(1904+-+Last+Calendar+Year)&ContentDisposition=OnlyHtmlInline&Format=CSV

Raw CSV header and rows:
Title
Natchez Trace PKWY
Year,RecreationVisitors,TotalRecreationVisitors
1941,0,"495,349,147"
1942,0,"495,349,147"
1943,0,"495,349,147"
1944,0,"495,349,147"
1945,0,"495,349,147"
1946,0,"495,349,147"
1947,0,"495,349,147"
1953,"1,425,629","495,349,147"
1954,"1,721,800","495,349,147"
1955,"2,197,300","495,349,147"
1956,"2,414,700","495,349,147"
1957,"2,841,500","495,349,147"
1958,"3,141,300","495,349,147"
1959,"3,362,300","495,349,147"
1960,"3,479,300","495,349,147"
1961,"3,685,300","495,349,147"
1962,"5,328,000","495,349,147"
1963,"5,288,800","495,349,147"
1964,"4,476,700","495,349,147"
1965,"4,979,200","495,349,147"
1966,"5,652,400","495,349,147"
1967,"6,781,700","495,349,147"
1968,"8,911,700","495,349,147"
1969,"10,451,000","495,349,147"
1970,"11,256,100","495,349,147"
1971,"7,882,100","495,349,147"
1972,"8,865,225","495,349,147"
1973,"9,387,000","495,349,147"
1974,"8,579,100","495,349,147"
1975,"8,825,000","495,349,147"
1976,"8,792,200","495,349,147"
1977,"9,770,800","495,349,147"
1978,"9,730,148","495,349,147"
1979,"9,475,305","495,349,147"
1980,"10,601,566","495,349,147"
1981,"11,160,608","495,349,147"
1982,"11,051,140","495,349,147"
1983,"12,796,122","495,349,147"
1984,"13,478,261","495,349,147"
1985,"12,931,973","495,349,147"
1986,"14,364,008","495,349,147"
1987,"9,941,614","495,349,147"
1988,"11,685,582","495,349,147"
1989,"10,837,879","495,349,147"
1990,"5,505,253","495,349,147"
1991,"5,832,697","495,349,147"
1992,"5,776,191","495,349,147"
1993,"5,752,880","495,349,147"
1994,"5,287,801","495,349,147"
1995,"5,849,061","495,349,147"
1996,"6,088,610","495,349,147"
1997,"5,992,978","495,349,147"
1998,"5,810,094","495,349,147"
1999,"6,392,961","495,349,147"
2000,"5,737,183","495,349,147"
2001,"5,552,351","495,349,147"
2002,"5,643,170","495,349,147"
2003,"5,555,984","495,349,147"
2004,"5,389,227","495,349,147"
2005,"5,482,282","495,349,147"
2006,"5,713,583","495,349,147"
2007,"5,777,666","495,349,147"
2008,"5,747,235","495,349,147"
2009,"5,934,363","495,349,147"
2010,"5,910,950","495,349,147"
2011,"5,765,343","495,349,147"
2012,"5,560,668","495,349,147"
2013,"6,012,740","495,349,147"
2014,"5,846,474","495,349,147"
2015,"5,785,812","495,349,147"
2016,"5,891,315","495,349,147"
2017,"6,326,062","495,349,147"
2018,"6,362,439","495,349,147"
2019,"6,296,041","495,349,147"
2020,"6,124,808","495,349,147"
2021,"6,401,346","495,349,147"
2022,"6,543,533","495,349,147"
2023,"6,784,853","495,349,147"
2024,"7,364,833","495,349,147"

Filtered years 1953-2023 inclusive count n=71 (expected 71).
Sample standard deviation (n-1) = 2841235.870810693130
Rounded to 2 decimals = 2841235.87
Mean = 6873018.507042253390