(a) where the usufruct or right of use is established for the lifetime of the individual who made the gift, i. 25% where the individual is under 25 years of age,
ii. 31% where the individual is at least 25 years of age and under 30 years of age,
iii. 38% where the individual is at least 30 years of age and under 35 years of age,
iv. 44% where the individual is at least 35 years of age and under 40 years of age,
v. 50% where the individual is at least 40 years of age and under 45 years of age,
vi. 56% where the individual is at least 45 years of age and under 50 years of age,
vii. 62% where the individual is at least 50 years of age and under 55 years of age,
viii. 68% where the individual is at least 55 years of age and under 60 years of age,
ix. 73% where the individual is at least 60 years of age and under 65 years of age,
x. 78% where the individual is at least 65 years of age and under 70 years of age,
xi. 83% where the individual is at least 70 years of age and under 75 years of age,
xii. 87% where the individual is at least 75 years of age and under 80 years of age, and
xiii. 91% where the individual is at least 80 years of age; and
(b) where the usufruct or right of use is established for a fixed duration regardless of the lifetime of the individual who made the gift, i. 87% where the fixed duration is of 10 years or less,
ii. 74% where the fixed duration is of 10 years or more and 20 years or less, and
iii. 61% in any other case.