royal caribbean cruises ltd . 15 from two to 17 nights throughout south america , the caribbean and europe . additionally , we announced that majesty of the seas will be redeployed from royal caribbean international to pullmantur in 2016 . pullmantur serves the contemporary segment of the spanish , portuguese and latin american cruise mar- kets . pullmantur 2019s strategy is to attract cruise guests from these target markets by providing a variety of cruising options and onboard activities directed at couples and families traveling with children . over the last few years , pullmantur has systematically increased its focus on latin america and has expanded its pres- ence in that market . in order to facilitate pullmantur 2019s ability to focus on its core cruise business , on march 31 , 2014 , pullmantur sold the majority of its interest in its non-core busi- nesses . these non-core businesses included pullmantur 2019s land-based tour operations , travel agency and 49% ( 49 % ) interest in its air business . in connection with the sale agreement , we retained a 19% ( 19 % ) interest in each of the non-core businesses as well as 100% ( 100 % ) ownership of the aircraft which are being dry leased to pullmantur air . see note 1 . general and note 6 . other assets to our consolidated financial statements under item 8 . financial statements and supplementary data for further details . cdf croisi e8res de france we currently operate two ships with an aggregate capacity of approximately 2800 berths under our cdf croisi e8res de france brand . cdf croisi e8res de france offers seasonal itineraries to the mediterranean , europe and caribbean . during the winter season , zenith is deployed to the pullmantur brand for sailings in south america . cdf croisi e8res de france is designed to serve the contemporary segment of the french cruise market by providing a brand tailored for french cruise guests . tui cruises tui cruises is a joint venture owned 50% ( 50 % ) by us and 50% ( 50 % ) by tui ag , a german tourism and shipping com- pany , and is designed to serve the contemporary and premium segments of the german cruise market by offering a product tailored for german guests . all onboard activities , services , shore excursions and menu offerings are designed to suit the preferences of this target market . tui cruises operates three ships , mein schiff 1 , mein schiff 2 and mein schiff 3 , with an aggregate capacity of approximately 6300 berths . in addition , tui cruises currently has three newbuild ships on order at the finnish meyer turku yard with an aggregate capacity of approximately 7500 berths : mein schiff 4 , scheduled for delivery in the second quarter of 2015 , mein schiff 5 , scheduled for delivery in the third quarter of 2016 and mein schiff 6 , scheduled for delivery in the second quarter of 2017 . in november 2014 , we formed a strategic partnership with ctrip.com international ltd . ( 201cctrip 201d ) , a chinese travel service provider , to operate a new cruise brand known as skysea cruises . skysea cruises will offer a custom-tailored product for chinese cruise guests operating the ship purchased from celebrity cruises . the new cruise line will begin service in the second quarter of 2015 . we and ctrip each own 35% ( 35 % ) of the new company , skysea holding , with the balance being owned by skysea holding management and a private equity fund . industry cruising is considered a well-established vacation sector in the north american market , a growing sec- tor over the long term in the european market and a developing but promising sector in several other emerging markets . industry data indicates that market penetration rates are still low and that a significant portion of cruise guests carried are first-time cruisers . we believe this presents an opportunity for long-term growth and a potential for increased profitability . the following table details market penetration rates for north america and europe computed based on the number of annual cruise guests as a percentage of the total population : america ( 1 ) europe ( 2 ) .

Table:
year | north america ( 1 ) | europe ( 2 )
2010 | 3.1% ( 3.1 % ) | 1.1% ( 1.1 % )
2011 | 3.4% ( 3.4 % ) | 1.1% ( 1.1 % )
2012 | 3.3% ( 3.3 % ) | 1.2% ( 1.2 % )
2013 | 3.4% ( 3.4 % ) | 1.2% ( 1.2 % )
2014 | 3.5% ( 3.5 % ) | 1.3% ( 1.3 % )
( 1 ) source : our estimates are based on a combination of data obtained from publicly available sources including the interna- tional monetary fund and cruise lines international association ( 201cclia 201d ) .
rates are based on cruise guests carried for at least two consecutive nights .
includes the united states of america and canada .
( 2 ) source : our estimates are based on a combination of data obtained from publicly available sources including the interna- tional monetary fund and clia europe , formerly european cruise council .
we estimate that the global cruise fleet was served by approximately 457000 berths on approximately 283 ships at the end of 2014 .
there are approximately 33 ships with an estimated 98650 berths that are expected to be placed in service in the global cruise market between 2015 and 2019 , although it is also possible that ships could be ordered or taken out of service during these periods .
we estimate that the global cruise industry carried 22.0 million cruise guests in 2014 compared to 21.3 million cruise guests carried in 2013 and 20.9 million cruise guests carried in 2012 .
part i .

Question: what is the estimated percentage increase , from 2012 to 2014 , in total global cruise guests?
Answer: 5.26%
Calculation: subtract(22.0, 20.9), divide(#0, 20.9), multiply(#1, const_100)