Table 5.

Percent of chips sent to mechanical or chemical mill life cycle processes

Decade	Mechanical mills (MP M)	Chemical mills (MP C)	Sources for the time period
2000–2065	12	88	[39]
	(6–14)	(86–94)
1990–1999	16	84	[39]
	(13–20)	(80–87)
1980–1989	18	82	[39]
	(17–19)	(81–83)
1965–1979	30	70	[40]

Brackets include the minimum and maximum in the underlying source data. The variability was between years.