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Table PPP-5. Potency of cannabis products at retail level, 2011

Part (i) Minimum, maximum, mean, median and modal potency recorded, measured as percentage of THC content

CountryCannabis resin Herbal cannabis
Sample sizeMin.Max.MeanMedianModeSample sizeMin.Max.MeanMedianMode
Belgium 610.122.411.813:1010.821.310.710.6:
Bulgaria 60.8115.34.1:3120.111.33.73.56
Czech Republic 241.233.611.033.32.54970.0421.77.25.51.4
Denmark::::::::::::
Germany(1)1976:::6.9:2487:::2:
Estonia 260.18175.15.454360.094311.11215
Ireland::::::::::::
Greece::::::::::::
Spain::::::::::::
France 113705311.9121226303410.6105
Italy1021.5156.45.94.51480.2236.45.73.4
Cyprus::::::::::::
Latvia::::::::::::
Lithuania::::::::::::
Luxembourg 450.425.29.5::2780.127.611.3::
Hungary(2)370.11242111930.021210.71.4
Malta 1004107:81003.5117.3:6
Netherlands(3)570.531.716.1::140.810.65.7::
Austria890.151.29.16.8:3390.0421.77.06.6:
Poland ::::::262.336.79.66.7:
Portugal 22490.138.49.37.76.65770.130.85.23.50.8
Romania71.16.05.36.2:480.420.76.95.6:
Slovenia281.216.16.451.32850.322.68.88.3:
Slovakia(4)24136.69.6:8.114990.0244.67.7:11
Finland::::::340.3124.63.2:
Sweden(5)68413010106::::::
United Kingdom::::::::::::
Croatia134.918.810.58.2:9620.321.15.74.67
Turkey7560.414.94.54.44.0160.83.81.71.4:
Norway:1308:::1128::
 

Notes:

Min. = minimum potency recorded; Max. = maximum potency recorded; Mean = mean potency recorded; Median = middle potency value in the ranked data set; Mode = most frequent (typical) potency recorded.

The minimum ‘zero’ values represent a value greater than zero but lower than the minimum sensitivity threshold that allows a robust estimate.

(1) There are also data available for sinsemilla: sample size = 5516 and median = 10.9.

(2) THC content means free THC only (without THC acid).

(3) Cannabis resin refers to imported cannabis resin; herbal cannabis refers to imported herbal cannabis. There is also data available for locally-produced herbal cannabis ('nederwiet'): sample size = 58; min = 7; max = 21.3 and mean = 15.5.

(4) Data reported as means is actually a weighted mean.

(5) There are also data available for sinsemilla: sample size = 303, min = <0.2, max = 30, mean = 8, median = 7 and mode = 1 and other European/non-European seeded herbal cannabis: sample size = 254 min = <0.2; max = 19, mean = 2, median = 1 and mode = 1.

Source:

Reitox national focal points. See also Table PPP-5 part (ii).

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Page last updated: Friday, 26 April 2013