Since 1993 satellite observations have permitted more precise calculations of global sea - level rise, now estimated to be 3.1 ± 0.7 millimeters per year over the period 1993 to 2003. (scientificamerican.com)
Since the 19th century, sea level has shot up more than 2 millimeters per year on average, far faster than other periods of global temperature change. (astrobio.net)
««The good news is that Antarctica is not currently contributing to sea level rise, but is taking 0.23 millimeters per year away,» Zwally said.» (donaitkin.com)