<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.katika kipindi cha miaka 50 iliyopita, uwezo wa meli kubwa kubeba makasha umeongezeka kwa asilimia 1,500 na kuongezeka maradufu katika muongo mmoja uliopita, kwa mujibu wa kampuni ya bima za meli, allianz global corporate and speciality.  <response>: capacity has increased 1,500 over the last half-century and has nearly doubled over the last decade alone, according to allianz global corporate and specialty, a shipping insurance company. 