 Similar to quilting, spinning, and needlepoint, knitting became a social activity.Hand knitting has gone into and out of fashion many times in the last two centuries, and at the turn of the 21st century it is enjoying a revival.According to the industry group Craft Yarn Council of America, the number of women knitters in the United States age 25–35 increased 150% in the two years between 2002 and 2004.