Year-over-year Canadian motorhome registrations plummeted 34.7% in July and 27.3% for the first seven months, according to the latest report from Statistical Surveys Inc. Forest River Inc. was the Canadian motorhome sales leader year-to-date, capturing a 25.7% market share, with Thor Industries Inc. holding a 24.3% share and Winnebago Industries Inc. 21.4%. Class A registrations declined 20.5% in July and 14.8% year-to-date.