1.  each year(r = adv.all) annually, every year, yearly - without missing a year; "they travel to China annually"

2.  each year(r = adv.all) annually, p.a., per annum, per year - by the year; every year (usually with reference to a sum of money paid or received); "he earned $100,000 per annum"; "we issue six volumes per annum"

academic year, anomalistic year, astronomical year, bissextile year, calendar year, christian year, church year, civil year, common year, each, each day, each month, each week, equinoctial year, every year, financial year, fiscal year, for each one, for each person, from each one, great year, holy year, intercalary year, jewish new year, leap year, light year, lunar year, mohammedan year, new year, of each person, off year, per year, platonic year, sabbatical year, school year, sidereal year, solar year, three year old, time of year, to each one, tropical year, two year old, year, year 2000 bug, year 2000 compliant, year 2000 problem, year dot, year of grace