The data below is in a format known as tab-delimited values. You can open this file with any spreadsheet application and the data will be distributed into 

Year	Kilometres of metaled road	Kilometres of sealed road
1920	43000	0
1925	46000	1000
1930	53000	4000
1935	58000	5000
1940	68000	7000
1945	73000	10000
1950	74000	12000
1955	79000	17000
1960	81000	21000
1965	83000	31000
1970	87000	39000
1975	89000	46000
1980	91000	49000
1985	93000	51000
1990	93000	53000
1995	92000	55000

Source: Statistics New Zealand

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