| 1 | international royal caribbean international | | | | | | | 13 | 0.56% |
| 2 | caribbean international royal caribbean | | | | | | | 12 | 0.52% |
| 3 | royal caribbean international royal | | | | | | | 12 | 0.52% |
| 4 | uniworld boutique river cruise | | | | | | | 12 | 0.52% |
| 5 | river cruise uniworld boutique | | | | | | | 11 | 0.47% |
| 6 | boutique river cruise uniworld | | | | | | | 11 | 0.47% |
| 7 | phoenix reisen phoenix reisen | | | | | | | 11 | 0.47% |
| 8 | reisen phoenix reisen phoenix | | | | | | | 11 | 0.47% |
| 9 | cruise uniworld boutique river | | | | | | | 10 | 0.43% |
| 10 | nicko cruises nicko cruises | | | | | | | 9 | 0.39% |
| 11 | carnival cruise lines carnival | | | | | | | 9 | 0.39% |
| 12 | cruise lines carnival cruise | | | | | | | 9 | 0.39% |
| 13 | lines carnival cruise lines | | | | | | | 9 | 0.39% |
| 14 | princess cruises princess cruises | | | | | | | 8 | 0.34% |
| 15 | msc cruises msc cruises | | | | | | | 8 | 0.34% |
| 16 | cruises nicko cruises nicko | | | | | | | 8 | 0.34% |
| 17 | regno unito stati uniti | | | | | | | 7 | 0.30% |
| 18 | cruises msc cruises msc | | | | | | | 7 | 0.30% |
| 19 | cruisestours scenic luxury cruises | | | | | | | 6 | 0.26% |
| 20 | norwegian cruise line norwegian | | | | | | | 6 | 0.26% |
| 21 | cruise line norwegian cruise | | | | | | | 6 | 0.26% |
| 22 | line norwegian cruise line | | | | | | | 6 | 0.26% |
| 23 | luxury cruisestours scenic luxury | | | | | | | 6 | 0.26% |
| 24 | scenic luxury cruisestours scenic | | | | | | | 6 | 0.26% |
| 25 | cruises celebrity cruises celebrity | | | | | | | 5 | 0.22% |
| 26 | celebrity cruises celebrity cruises | | | | | | | 5 | 0.22% |
| 27 | cruisestours scenic luxury cruisestours | | | | | | | 5 | 0.22% |
| 28 | emerald cruises emerald cruises | | | | | | | 5 | 0.22% |
| 29 | tours scenic luxury cruisestours | | | | | | | 5 | 0.22% |
| 30 | cruises princess cruises princess | | | | | | | 4 | 0.17% |
| 31 | holland america line holland | | | | | | | 4 | 0.17% |
| 32 | flusskreuzfahrten amadeus flusskreuzfahrten amadeus | | | | | | | 4 | 0.17% |
| 33 | 1a vista reisen 1a | | | | | | | 4 | 0.17% |
| 34 | vista reisen 1a vista | | | | | | | 4 | 0.17% |
| 35 | stati uniti nuova zelanda | | | | | | | 4 | 0.17% |
| 36 | amadeus flusskreuzfahrten amadeus flusskreuzfahrten | | | | | | | 4 | 0.17% |
| 37 | ascensione e tristan da | | | | | | | 4 | 0.17% |
| 38 | reisen 1a vista reisen | | | | | | | 4 | 0.17% |
| 39 | cruises aida cruises aida | | | | | | | 4 | 0.17% |
| 40 | aida cruises aida cruises | | | | | | | 4 | 0.17% |