part i berths at the end of 2011 . there are approximately 10 ships with an estimated 34000 berths that are expected to be placed in service in the north american cruise market between 2012 and 2016 . europe in europe , cruising represents a smaller but growing sector of the vacation industry . it has experienced a compound annual growth rate in cruise guests of approximately 9.6% ( 9.6 % ) from 2007 to 2011 and we believe this market has significant continued growth poten- tial . we estimate that europe was served by 104 ships with approximately 100000 berths at the beginning of 2007 and by 121 ships with approximately 155000 berths at the end of 2011 . there are approximately 10 ships with an estimated 28000 berths that are expected to be placed in service in the european cruise market between 2012 and 2016 . the following table details the growth in the global , north american and european cruise markets in terms of cruise guests and estimated weighted-average berths over the past five years : global cruise guests ( 1 ) weighted-average supply of berths marketed globally ( 1 ) north american cruise guests ( 2 ) weighted-average supply of berths marketed in north america ( 1 ) european cruise guests ( 3 ) weighted-average supply of berths marketed in europe ( 1 ) .

Table:
year | global cruiseguests ( 1 ) | weighted-averagesupplyofberthsmarketedglobally ( 1 ) | northamericancruiseguests ( 2 ) | weighted-average supply ofberths marketedin northamerica ( 1 ) | europeancruiseguests | weighted-averagesupply ofberthsmarketed ineurope ( 1 )
2007 | 16586000 | 327000 | 10247000 | 212000 | 4080000 | 105000
2008 | 17184000 | 347000 | 10093000 | 219000 | 4500000 | 120000
2009 | 17340000 | 363000 | 10198000 | 222000 | 5000000 | 131000
2010 | 18800000 | 391000 | 10781000 | 232000 | 5540000 | 143000
2011 | 20227000 | 412000 | 11625000 | 245000 | 5894000 | 149000
( 1 ) source : our estimates of the number of global cruise guests , and the weighted-average supply of berths marketed globally , in north america and europe are based on a combination of data that we obtain from various publicly available cruise industry trade information sources including seatrade insider and cruise line international association .
in addition , our estimates incorporate our own statistical analysis utilizing the same publicly available cruise industry data as a base .
( 2 ) source : cruise line international association based on cruise guests carried for at least two consecutive nights for years 2007 through 2010 .
year 2011 amounts represent our estimates ( see number 1 above ) .
( 3 ) source : european cruise council for years 2007 through 2010 .
year 2011 amounts represent our estimates ( see number 1 above ) .
other markets in addition to expected industry growth in north america and europe as discussed above , we expect the asia/pacific region to demonstrate an even higher growth rate in the near term , although it will continue to represent a relatively small sector compared to north america and europe .
we compete with a number of cruise lines ; however , our principal competitors are carnival corporation & plc , which owns , among others , aida cruises , carnival cruise lines , costa cruises , cunard line , holland america line , iberocruceros , p&o cruises and princess cruises ; disney cruise line ; msc cruises ; norwegian cruise line and oceania cruises .
cruise lines compete with other vacation alternatives such as land-based resort hotels and sightseeing destinations for consum- ers 2019 leisure time .
demand for such activities is influ- enced by political and general economic conditions .
companies within the vacation market are dependent on consumer discretionary spending .
operating strategies our principal operating strategies are to : and employees and protect the environment in which our vessels and organization operate , to better serve our global guest base and grow our business , order to enhance our revenues while continuing to expand and diversify our guest mix through interna- tional guest sourcing , and ensure adequate cash and liquidity , with the overall goal of maximizing our return on invested capital and long-term shareholder value , our brands throughout the world , revitalization of existing ships and the transfer of key innovations across each brand , while expanding our fleet with the new state-of-the-art cruise ships recently delivered and on order , by deploying them into those markets and itineraries that provide opportunities to optimize returns , while continuing our focus on existing key markets , support ongoing operations and initiatives , and the principal industry distribution channel , while enhancing our consumer outreach programs. .

Question: what was the total percentage increase from 2007 to 2011 in the number of berths?
Answer: 55%
Calculation: subtract(155000, 100000), divide(#0, 100000), multiply(#1, const_100)