According to this graph, from 2000 to 2010, log exports increased as they did from 1970 to 1980. The logging industry experienced a major change beginning in . This change was likely due to a shift in .
According to this graph, from 2000 to 2010, log exports increased as they did from 1970 to 1980.:At about the same rate
This change was likely due to a shift in .:environmental protection