Question: Which of these motor shows occurs more often? The North American International Auto Show or the Tokyo Motor Show?

Context articles: Mitsubishi Gaus
Lexus LFA
Washington Auto Show
Lamborghini Miura concept
Toyota FJ Cruiser
Seoul Motor Show
Tokyo Motor Show
Mitsubishi SUP
Lexus GS (S190)
North American International Auto Show

The Mitsubishi Gaus is a concept car exhibited by Japanese automaker Mitsubishi Motors at the 31st Tokyo Motor Show in 1995 and the 8th North American International Auto Show in Detroit in 1996.
The Lexus LFA (Japanese: レクサス・LFA, "Rekusasu LFA") is a two-seat sports car from Lexus.
 It is the second model in the F marque line of performance vehicles from Lexus, following the IS F.
 Three concept versions have been shown, each debuting at the North American International Auto Show with the LF-A designation as part of the LF Series concept line.
 After beginning development in the early 2000s (codenamed P280), the first LF-A concept premiered in 2005, followed in 2007 by a second LF-A with a more completely furnished interior and exterior.
 The third version of the LF-A, a roadster model, premiered in 2008.
 The production model, trademarked LFA, was shown at the Tokyo Motor Show in October 2009.
The Washington Auto Show (WAS) is an annual local auto show held in Washington, D.C. at the Walter E. Washington Convention Center usually in late January.
 It is among the largest auto shows in North America, trailing only the North American International Auto Show in Detroit (NAIAS), the LA Auto Show, the New York International Auto Show (NYIAS) and the Chicago Auto Show in size.
 It is sometimes also referred to as the D.C. Auto Show.
 The event has evolved to emphasize and showcase the latest innovations in sustainable automotive technologies.
 Since 2008 the winners of the Green Car Vision Award are announced during the show.
The Lamborghini Miura concept was a retro styled Lamborghini presented at the Paley Center for Media, formerly The Museum of Television & Radio, on 5 January 2006.
 The unveiling coincided with the Los Angeles Auto Show though it was not present at the show itself.
 The car commemorated the 40th anniversary of the introduction of the original Miura concept at the Geneva Motor Show in 1966.
 The car made its official début at the North American International Auto Show in Detroit two weeks later.
The Toyota FJ Cruiser is a retro style, mid-size SUV with styling and off road performance reminiscent of the original Toyota Land Cruiser (FJ40).
 Introduced as a concept car at the January 2003 North American International Auto Show, the FJ Cruiser was approved for production after positive consumer response and debuted at the January 2005 North American International Auto Show in final production form.
 The FJ Cruiser is built by Toyota subsidiary Hino Motors in Hamura, Japan since 2006 and shares many structural underpinnings with the Toyota Land Cruiser Prado.
 On 5 November 2013, Toyota USA announced the 2014 model year Trail Teams edition would be called the "Ultimate Edition" and that the 2014 model year would be the last for the FJ Cruiser in that market.
 It continued to be made for sale in other markets such as Australia and the Middle East until its production was discontinued in 2016.
The Seoul Motor Show is a biennial auto show held at KINTEX (Korea International Exhibition Center), Goyang, Gyeonggi-do.
 Hosted by the Korea Automobile Manufacturers Association (KAMA), It is recognized as an international show by the Organisation Internationale des Constructeurs d'Automobiles.
 It is the 4th largest auto show in Asia after the Tokyo Motor Show, Auto Shanghai, and Auto China.
The Tokyo Motor Show (東京モーターショー ) is a biennial auto show held in October–November at the Tokyo Big Sight, Tokyo, Japan for cars, motorcycles and commercial vehicles.
 Hosted by the Japan Automobile Manufacturers Association (JAMA), it is a recognized international show by the Organisation Internationale des Constructeurs d'Automobiles, and normally sees more concept cars than actual production car introductions which is the reason why the auto press see the show as one of the motorshow's big five (along with Detroit, Geneva, Frankfurt and Paris).
The Mitsubishi SUP is a concept car developed by Mitsubishi Motors in 2001, first exhibited as a hardtop at the 35th Tokyo Motor Show in 2001, and later at the 2002 North American International Auto Show and Geneva Motor Show as a Mitsubishi SUP Cabriolet.
 The name SUP stands for "Sports Utility Pack", with Mitsubishi claiming that it was designed "for nature lovers who are...happy using hi-tech gadgets and gizmos Monday to Friday; then out for a bunch of fun communing with nature at weekends and holidays."
The Lexus GS (S190) is the third generation of the Lexus GS line of mid-size sports sedans and executive cars. Sold by Lexus since 2005, the line includes multiple V6, V8, and hybrid models.
 A concept model for the GS line, the LF-S, debuted in late 2003 at the Tokyo Motor Show.
 The third generation GS first appeared as a pre-production vehicle at the 2004 North American International Auto Show in Detroit with the production version being shown a year later at the 2005 show.
 The initial lineup featured V6 and V8 engines with rear-wheel drive, and for the first time on a Lexus sedan, the option of all-wheel drive with the V6-powered GS 300 and GS 350 models.
 The GS 450h performance hybrid joined the lineup in 2006.
The North American International Auto Show (NAIAS) is an annual auto show held in Detroit, Michigan at Cobo Center, usually in January.
 It is among the largest auto shows in North America.