2 ms·The average is 190. http://arxiv.org/pdf/1111.4503v1.pdf http://arxiv.org/pdf/1111.4503v1.pdfby simondlr 14y agoThe average is 190. http://arxiv.org/pdf/1111.4503v1.pdf http://arxiv.org/pdf/1111.4503v1.pdf