On May 13, 2011, Toyota introduced the Prius α in Japan with a sales target of 3,000 units per month. The Prius Alpha is available in a five-seat, two-row model and a seven-seat, three-row model, the latter's third row enabled by a space-saving lithium-ion drive battery in the center console. The five-seat model uses a NiMH battery pack. Deliveries of the Alpha were delayed due to the effects of the 2011 earthquake and tsunami on production. Toyota announced it had received 25,000 orders for the Prius Alpha hybrid wagon and minivan models in Japan before the start of sales. The five-seater version starts at (), and the seven-seater starts at (). Since its introduction, a total of 111,500 Prius α have been sold in Japan through April 2012, representing 80.8% of the Prius α/v model line's global sales. Since May 2011 a total of 289,000 Prius α have been sold through December 2013. On April 8, 2013, Daihatsu started selling its OEM version of the Prius α for the Japanese market under the Mebius name. Sales in Japan have been strong despite the fact that it doesn't comply with the Japanese government's dimension regulations in the width category, and Japanese buyers are liable for an additional yearly tax.